WO2008072685A1 - 電池構造体およびそれを用いたリチウム二次電池 - Google Patents
電池構造体およびそれを用いたリチウム二次電池 Download PDFInfo
- Publication number
- WO2008072685A1 WO2008072685A1 PCT/JP2007/074002 JP2007074002W WO2008072685A1 WO 2008072685 A1 WO2008072685 A1 WO 2008072685A1 JP 2007074002 W JP2007074002 W JP 2007074002W WO 2008072685 A1 WO2008072685 A1 WO 2008072685A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- solid electrolyte
- electrode layer
- battery
- battery structure
- layer
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
- H01M10/0562—Solid materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
- H01M2300/0068—Solid electrolytes inorganic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
- H01M2300/0068—Solid electrolytes inorganic
- H01M2300/0071—Oxides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a battery structure having high capacity and excellent charge / discharge characteristics, and a lithium secondary battery using the same.
- Lithium secondary batteries include those using an organic electrolyte (an organic liquid electrolyte, hereinafter also referred to as an organic electrolyte) and those using a solid electrolyte (hereinafter also referred to as a solid electrolyte layer).
- an organic electrolyte an organic liquid electrolyte, hereinafter also referred to as an organic electrolyte
- a solid electrolyte layer the one using lithium (Li) metal for the negative electrode (hereinafter also referred to as negative electrode layer) has a large discharge capacity per unit volume and is regarded as the ultimate battery.
- metal Li when metal Li is used for the negative electrode in the former, it reacts with the organic electrolyte during repeated charging and discharging to form acicular crystals, which causes deterioration of the charging / discharging cycle characteristics, and further the separator.
- Patent Document 1 Japanese Unexamined Patent Application Publication No. 2004-179158 (Patent Document 1) and Japanese Unexamined Patent Application Publication No. 2004-127743 (Patent Document 2) describe a negative electrode material such as a composite material in which Li metal or its particles are embedded in a carbon-based material. Has been introduced.
- a solid electrolyte layer is laminated between a positive electrode layer such as LiCoO and a negative electrode layer containing Li.
- the lithium secondary battery having the basic structure is produced mainly by means for vapor deposition of these elements (hereinafter also referred to as a gas phase synthesis method) and means for molding from powder (hereinafter also referred to as a powder method).
- the materials of the solid electrolyte layer are mainly phosphorous (P) as introduced in the above-mentioned Patent Document 2 and Journal of Non-Crystalline Solids, 123 (1990) pp. 328-338 (Non-Patent Document 1).
- S sulfur
- some of these contain oxygen (O).
- niobium (Nb) examples include Li compounds containing tantalum (Ta) and oxygen (O).
- the raw powder is mainly prepared by means of rapid solidification of the melt (melt-quench, melt quench or rapid cooling method) or mechanical milling method in which the powder is mixed and reacted with a ball mill ( mechanical milling, MM method).
- These powders are glassy and / or crystalline and are in the form of discs, lumps or flakes.
- the former is, for example, the above-mentioned non-patent document 1 (Japanese Patent Laid-Open No. 4-231346 (Patent Document 3)), and the latter is, for example, Japanese Patent No. 3233345 (Patent Document 4), Japanese Patent Laid-Open No. 2004-265685 ( It is introduced in Patent Document 5).
- a secondary battery including a solid electrolyte has a structure in which battery elements of a positive electrode layer, a solid electrolyte layer, and a negative electrode layer are laminated in a thin film shape by a gas phase synthesis method, and is formed on a ceramic substrate. Each battery element is laminated in the form of a thick film using a powder molded body for the positive electrode layer or solid electrolyte layer. The thing of the structure which was made is mentioned.
- Typical examples of solid electrolytes include UPON nitrided lithium phosphate and amorphous Li O-V O-
- Patent Document 6 Japanese Patent Laid-Open No. 10-83838
- a secondary battery using these materials in the solid electrolytic membrane is a thin film Li ion conductivity 10- 6 S / cm order in those, current density is about several 10 A / cm 2, the capacity Is at most about 10 Ah. Therefore, it is not practical because it is much lower than 3mAh / cm 2 of a normal lithium ion secondary battery using an organic electrolyte and difficult to fast charge.
- JP-A-4-231346 (Patent Document 3) and JP-B-6-54687 (Patent Document 8) include sulfur (P), oxygen (O), halogen ( Of Li metal anodes using solid electrolyte materials containing Cl, I, etc.) It is known that the potential window becomes relatively narrow by the addition of force Lil etc., which is indicated for lithium secondary batteries. Furthermore, Japanese Patent No. 3716833 (Patent Document 9) is composed of a negative electrode material using a solid electrolyte material containing oxygen (O) in addition to sulfur (S) and phosphorus (P). A battery with improved capacity and charge / discharge cycleability is disclosed.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2004-179158
- Patent Document 2 JP 2004-127743 A
- Patent Document 3 Japanese Patent Laid-Open No. 4-231346
- Patent Document 4 Japanese Patent No. 3233345
- Patent Document 5 Japanese Patent Application Laid-Open No. 2004-265685
- Patent Document 6 Japanese Patent Laid-Open No. 10-83838
- Patent Document 7 Japanese Patent Laid-Open No. 2003-68361
- Patent Document 8 Japanese Patent Publication No. 6-54687
- Patent Document 9 Japanese Patent No. 3716833
- Non-Patent Document 1 Journal of Non-Crystalline Solids, 123 (1990) pp. 328-3 38
- An object of the present invention is to provide a battery structure for obtaining a solid electrolyte battery having a high capacity and excellent charge / discharge characteristics (stable charge / discharge cycle characteristics even at low temperatures where the current density is high).
- the present invention provides a battery structure including a form in which a positive electrode layer, a solid electrolyte layer, and a negative electrode layer are sequentially laminated, wherein X is phosphorus (P) , Boron (B) at least one element, Y is oxygen (O), nitrogen (N) at least one element, a, b, c and J: and d ( ⁇ ⁇ loca 1, a force 0. 20 ⁇ 0.52, b force 0.10 ⁇ 20.20, c force 0.30 ⁇ 0.55, d force in the range of 0 to 0.30, the solid electrolyte layer is an inevitable impurity.
- the component S is expressed by the formula aLi'bX'cS'dY, and consists of a part A in contact with the negative electrode layer and a part B in contact with the positive electrode layer, where d of the part A is greater than d of the part B Provide battery structure.
- the present invention includes, as a second means, a solid electrolyte layer having the same chemical composition as the first means, and a portion C that is not in contact with both positive and negative electrodes in addition to the portions A and B.
- a solid electrolyte layer having the same chemical composition as the first means, and a portion C that is not in contact with both positive and negative electrodes in addition to the portions A and B.
- the d of part A and the d of part B do not matter, and both d of parts A and B are larger than d of part C.
- a preferable range of d is 0 ⁇ 03 ⁇ 0.30 for the portion A and 0 to 0 ⁇ 25 for the portion ⁇ .
- the first and second means of the present invention include those in which d changes functionally within each part and / or between parts.
- the present invention includes a lithium secondary battery using the battery structure having any one of the configurations described above.
- the manufacturing method of the battery structure of the present invention is as follows. First, the raw material used as a raw material of each layer of a positive electrode layer, a solid electrolyte layer, and a negative electrode layer is selected, These are added the composition and structure preparation steps, such as mixing and heat processing, as needed. Next, the source material or the battery element source that has undergone the above-described preparation stage is formed into a predetermined shape by molding (powder method) or a current collector on a base material such as a predetermined current collector by sputtering or vapor deposition. It is prepared by a method of depositing and stacking portions (gas phase synthesis method) and a method of appropriately combining them. There are various means of V and displacement depending on the specifications of the battery structure.
- a battery structure for obtaining a solid electrolyte battery having a high capacity and excellent charge / discharge characteristics (stable charge / discharge cycle characteristics even at a low temperature where the current density is high) and a lithium secondary battery using the same Can be provided.
- the battery structure of the present invention is a battery structure including a structure in which a positive electrode layer, a solid electrolyte layer, and a negative electrode layer are sequentially laminated, and an oxygen element (hereinafter also simply referred to as “O”) in contact with the negative electrode layer and the positive electrode layer. ) Or nitrogen element (hereinafter simply Provided is a battery structure having a solid electrolyte layer with a controlled amount of N).
- the solid electrolyte layer of the structure of the present invention is composed of a composition whose chemical composition excluding inevitable impurities is represented by the formula aLi′bX′cS • dY.
- Li is a lithium element
- X is at least one element of phosphorus (P) and boron (B)
- Y is at least one element of oxygen ( ⁇ ) and nitrogen (N).
- the solid electrolyte layer of the structure of the present invention composed of the above components includes at least a portion A in contact with the negative electrode layer and a portion B in contact with the positive electrode layer.
- the first means of the present invention comprises a part A and a part B, and d of the part A is larger than d of the part B. It is desirable that d is in the range of 0.03 to 0.30 for part A and 0 to 0.25 for part B.
- the basic composition of the solid electrolyte layer is a Li-PS system, a Li-BS system, or a combination of these two component systems.
- d is 0 to 0.05
- lithium (Li) I ON conductivity 1 X 10- 3 S / cm or higher, lithium (Li) as the ion transport number of 0.99999 or more is obtained.
- the Li ion conductivity of the entire solid electrolyte layer is lowered by adopting the above configuration regardless of the presence or absence of the portion C.
- part A is electrochemically stable against the active Li-based metal of the negative electrode layer in direct contact with it
- part B is also electrochemically stable against the active material of the positive electrode layer. Therefore, the deterioration rate of the solid electrolyte layer due to repeated charge / discharge cycles can be suppressed.
- the increase in polarization of the solid electrolyte layer can be suppressed and the decrease in charge / discharge capacity can be suppressed. Can do.
- the thickness of the portion A is preferably in the range of 0.01 to 10% of the thickness of the solid electrolyte layer. .
- the coating effect on the negative electrode surface is insufficient, and the effect is difficult to be exhibited.
- the upper limit is exceeded, the Li ion conductivity of the solid electrolyte layer decreases, and when the current density increases, the capacity of the battery tends to decrease.
- the thickness of the portions A and B is 0.0% of the thickness of the solid electrolyte layer;
- the range of is desirable.
- the thickness is preferably in the range of 0.;! To 10% of the thickness of the same layer. In this case, if the value is less than the lower limit, the effect becomes insufficient, and if the upper limit is easily exceeded, the Li ion conductivity of the solid electrolyte layer is likely to decrease, and the battery capacity may not be sufficiently secured.
- d is preferably controlled within the range of 0.03 to 0.30 in the negative electrode portion A and from 0 to 0.25 in the positive electrode portion B as described above.
- a more desirable range is between 0.07 and 0.20 for both parts A and B.
- the d of the same C is preferably in the range 0 ⁇ 0.05. 0 is the most desirable.
- the solid electrolyte layer of the structural body of the present invention may be any one of the first and second means as long as the part A and the negative electrode layer, and the part B and the positive electrode layer are in contact with each other at least partially. It is not always necessary to touch the entire surface. This may be changed according to the design of the positive and negative electrodes, for example.
- Each part of the solid electrolyte of the structure of the present invention may be composed of a plurality of types of compositions as long as the composition satisfies the above composition.
- the entire surface of portions A and B may be the same chemical composition or a collection of small portions having different chemical compositions.
- a configuration in which a plurality of layers having different compositions may be stacked.
- a and b of the parts A, B and C may be the same or different as long as they are within the above-mentioned range.
- d is functionally graded in each part and / or between parts.
- the distance at which d changes may be almost continuously changing to several tens of nanometers or less, and may change stepwise in the range of several m to several tens of meters. It may change at regular intervals. Therefore, the gradient gradient Ad / At of d (the change amount d of d per unit thickness At) can be freely controlled over the entire solid electrolyte layer or partially.
- control range on the cross section simply laminated in the thickness direction in the order of parts A, B, C is from the case where the entire contact area from the contact interface with the negative electrode of part A to the contact interface with the positive electrode of part B There are cases only within each part.
- this functionally graded configuration can increase the electrochemical stability of the solid electrolyte layer and increase the battery capacity. It is also possible to further reduce the decrease in.
- This battery structure usually has a metal foil such as copper (Cu) nickel (Ni) iron (Fe) stainless steel (SUS) or the like, or a layer of these metals formed on an electrically insulating substrate surface.
- a positive electrode layer, a solid electrolyte layer of the present invention in which the amounts of ⁇ and N are partially controlled, and a Li metal-based negative electrode layer are sequentially laminated on the current collector by means of vapor phase synthesis. .
- the positive electrode layer is formed therethrough.
- the negative electrode layer may be formed in parallel.
- each of the solid electrolyte layer, the positive electrode layer, and the negative electrode layer in this order is directly formed on the above-mentioned electrically insulating substrate.
- vapor deposition As a means for forming a current collector and a thin film of each battery element, vapor deposition, sputtering, ion plating, laser ablation and the like can be applied.
- wet means such as a sol-gel method, a colloid method, and a casting method may be used for forming the positive electrode layer.
- the material of the positive electrode layer is usually, for example, lithium cobaltate (chemical formula LiCoO), manganese
- Oxides such as lithium phosphate (chemical formula LiMn O) and lithium iron phosphate (chemical formula LiFePO) Used for sulfur (S), lithium sulfide (chemical formula Li S), iron sulfide (chemical formula FeS, FeS) and
- the material of the negative electrode layer is Li metal, aluminum
- Li metal alone is used for the negative electrode layer, an irreversible capacity phenomenon occurs in which the discharge capacity becomes significantly smaller than the charge capacity in the first charge / discharge cycle of the battery.
- Li alloy is used in advance, this can be avoided and the capacity density of the battery can be increased.
- This battery structure is usually formed by forming a positive electrode layer, a solid electrolyte layer, and a negative electrode layer in this order on a current collector similar to the above.
- the positive electrode layer is usually a mixture of an active material, a solid electrolyte and a conductive aid.
- the material of the active material is composed of, for example, a material containing a transition metal element in the periodic table of elements, for example, lithium cobaltate (chemical formula LiCoO)
- LiMn O Lithium manganate
- LiFePO lithium iron phosphate
- Conductive aids include, for example, ketjen black, acetylene black, carbon fibers made by vapor phase synthesis, carbon materials such as graphite, and nickel (Ni), copper (Cu), stainless steel (SUS), etc. The thing which consists of metals is mentioned.
- Examples of the solid electrolyte material include the above-described solid electrolyte of the present invention.
- the material for the solid electrolyte layer various forms such as powder, lump and foil having the chemical composition of the present invention are used.
- the phase form is, for example, a glassy powder that has been melted at high temperature and then rapidly cooled to near room temperature or mechanically milled, and these glassy powders are heat treated to recrystallize all or part thereof.
- the above-mentioned powder, a mixture of the powders in the above-mentioned form, and a composite of the powders in the above-mentioned form can be mentioned.
- Naoko lithium ion conductivity of these solid electrolyte powder is, 1 X 10- 4 S / cm or higher desirability instrument 1 X 10- 3 S / cm or more is more preferable.
- the negative electrode layer materials include, for example, metal elements that form alloys with Li, such as Al, Si, and Sn exemplified in the description of the low-capacity battery structure. Examples include alloys with Li.
- the positive electrode layer has a purity of at least various forms such as powder, lump, foil, or thin film. Select a secured material and press mold it into a dense layer. Next, on the positive electrode layer, a dense solid having a desired shape and high adhesion is obtained by a pressure molding method using a solid electrolyte material having the chemical composition of the present invention or by a gas phase synthesis method using the same material as a source. Form an electrolyte layer. Finally, it is possible to compress the negative electrode material on the solid electrolyte layer, or to form a dense negative electrode with a desired form and high adhesion by forming a film by vapor phase synthesis using the same material as the evaporation source. Form a layer.
- the present invention includes a lithium secondary battery using any of the above-mentioned battery structures! The specific effect will be described in the following examples. Note that the present invention is not limited to the following examples.
- A1 foil with a thickness of 100 ⁇ m and an OOmm square was fixed on a stainless steel substrate holder, and stainless steel masking was performed on it.
- the assembly was placed in a vacuum chamber, Ar was cleaned its surface by the ion beam, an oxygen pressure atmosphere of the surface temperature of 650 ° C in a heated while 10- 2 Pa of the substrate, 10 Hz and energy density of 2j / cm
- a LiCoO positive electrode layer with a thickness of l ⁇ m was deposited on the entire surface of the substrate by heating and evaporating the deposition source using the laser ablation method, which repeatedly sends pulses of 2 KrF excimer lasers.
- the A1 base material on which the LiCoO positive electrode layer is formed is punched into a circle having an outer diameter of 16 mm.
- a positive electrode substrate made of stainless steel with a hole with an outer diameter of 15 mm was prepared. After fixing this substrate to the holder in the excimer laser ablation deposition system, the evaporation source is heated and evaporated by the laser ablation method in which the KrF excimer laser is repeatedly sent in the procedure described below. Vapor deposition over the entire surface of the substrate, basically the force to laminate two layers of parts A and B, or the force to laminate three layers of parts A, B and C, the total thickness of either form 1 m solid electrolyte layers were formed. The formation procedure will be described later.
- the ionic conductivity of the solid electrolyte layer is prepared in advance and prepared near the substrate.
- a gold (Au) comb-shaped electrode was formed on the solid electrolyte layer formed on the obtained glass substrate and confirmed by a complex impedance measurement method. Then it was subjected to a stainless steel mask with holes of outer to 14 mm on the forming surface of the solid electrolyte layer, and fixed to the holder, by vapor deposition under the condition of a vacuum degree of 10- 4 Pa, the solid electrolyte layer A negative electrode layer made of Li metal having a thickness of 1 ⁇ m was formed thereon to obtain a battery structure sample. The thickness of the negative electrode layer was confirmed by inductively coupled emission spectrometry (ICP) with a layer formed on a stainless steel substrate prepared in advance and provided near the substrate.
- ICP inductively coupled emission spectrometry
- the procedure for forming the solid electrolyte layer will be described below.
- the raw materials are lithium sulfide (Li S) and five
- Phosphorous sulfide (P S) and boron sulfide (B S) powders were used. These raw material species have a dew point-8
- the surface of the substrate is not heated, time is distributed according to the thicknesses of the A layer, the B layer, and the C layer, and in accordance with the oxygen and / or nitrogen content in the solid electrolyte thin film, KrF excimer with an energy density of 2j / cm 2 at 10Hz while adjusting oxygen and / or nitrogen gas to a partial pressure in the range of 0Pa to 10- based on an Ar gas atmosphere with a total pressure of 10- &
- the laser ablation method that repeatedly sends laser pulses concentrates the laser beam on the target material and evaporates, forming a solid electrolyte layer of the combination shown in Table 1 with a total thickness of 1 am on the entire surface of the substrate. did.
- the substrate temperature was raised to 225 ° C and heated.
- OCV open circuit potential
- the column “” shows the chemical composition of the solid electrolyte layer based on the aforementioned chemical formula aLi′bX′cS′dY.
- XY in the same column indicates the constituent element types of X and Y as negative electrode side part A and positive electrode side part.
- the element number ratios a, b, c and d of each component to the total number of elements constituting B are shown. Although not shown in Table 1, the thickness of each part will be described later.
- the column labeled “Presence / absence of part C and d value” shows the d value of the same part as the presence / absence of part C. Samples 64 to 69 in Table 1 show the results when the part C is laminated and the d of the part C is changed.
- the conductivity is the Li ion conductivity measured by the procedure described later of the formed solid electrolyte layer.
- the capacity density column at 10 C is the result of confirming the above-described cycle performance of the coin-type secondary battery manufactured from each battery structure
- the total thickness of the solid electrolyte layer is 1 am, but the thicknesses of the portions A, B, and C of each sample and the ratio of the number of elements are as follows.
- the former is a form in which two layers of parts A and B are laminated, and the latter is a form in which parts A to C are laminated in three layers.
- the thickness of the portion B is 0 ⁇ 05 m (5% of the total thickness of the solid electrolyte), and the thickness of the portion B is 0.995111.
- the ratio of the number of elements is shown in Table 1.
- the total solid electrolyte is composed of the ratio of the number of elements listed in Table 1.
- the thicknesses of the parts A and B whose element ratio is the value in the table are both 0 ⁇ 05 111 (5% of the total thickness of the solid electrolyte),
- the range of thickness 0.9 m between them varies functionally between the values of parts c and d, A and B, with a thickness interval of 0 ⁇ 05 m.
- the thickness of these parts or each layer in the part is a stylus-type layer prepared on a Si substrate prepared in advance in the dry room with a dew point of -60 ° C or less as described above. This was confirmed by a film thickness meter.
- the chemical composition of each part was confirmed by analyzing the composition of each sample piece in the depth direction using ESCA (ESCA5400MC manufactured by ULVAC-FAI).
- Example numbers 2, 8, 12, 17 and 18 of Example 1 as shown in the rightmost column of Table 2 The mixed powder of the same component type and partial composition) is filled in the order of the powder of part B and the powder of part A, and pressed again under the conditions of temperature 150 ° C and pressure lOOOMPa, and the positive electrode layer, part B of the solid electrolyte, A molded body laminated and integrated in the order of the same part A was obtained.
- the amount of oxygen in each raw material powder of the solid electrolyte layer was adjusted in advance in a vacuum chamber under oxygen partial pressure.
- the amount of powder filled in the mold of each layer was adjusted in advance according to the respective molding conditions, and the thickness of the positive electrode layer and the solid electrolyte layer after molding were both lmm for all samples.
- the apparent density (the value obtained by dividing the mass by the volume calculated from the outer dimensions) of the resulting molded body is 97% or more of the theoretical density (the value calculated from the theoretical density and volume ratio of the constituent components). It was.
- a negative electrode layer made of Li metal having a thickness of 1 m was vapor-deposited on the solid electrolyte layer in the same procedure as in Example 1 to obtain a battery structure sample.
- the ionic conductivity of the solid electrolyte layer was confirmed by a procedure in which a comb-shaped gold electrode was formed on a solid electrolyte thin film formed on a glass substrate and measured by a complex impedance method in the film surface direction. These battery structure samples were assembled in a coin-type battery container in the same manner as in Example 1, and then taken out of the box. 1. Charging voltage 4 under the condition of 10C while passing a constant current of 12mA. A charge / discharge cycle test was conducted under the conditions of 3V and discharge voltage of 3V, and the storage capacity density level during charge / discharge of 1000 cycles was confirmed. The results are shown in Table 3.
- a battery structure for obtaining a solid electrolyte battery having a high capacity and excellent charge / discharge characteristics and a lithium secondary battery using the battery structure can be provided.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/282,149 US8021790B2 (en) | 2006-12-14 | 2007-12-13 | Battery structure and lithium secondary battery using the same |
CN2007800080589A CN101395754B (zh) | 2006-12-14 | 2007-12-13 | 电池结构体以及使用该电池结构体的锂二次电池 |
EP07850523A EP2093825B1 (en) | 2006-12-14 | 2007-12-13 | Battery structure and lithium secondary battery using the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-336484 | 2006-12-14 | ||
JP2006336484A JP2008152925A (ja) | 2006-12-14 | 2006-12-14 | 電池構造体およびそれを用いたリチウム二次電池 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008072685A1 true WO2008072685A1 (ja) | 2008-06-19 |
Family
ID=39511701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/074002 WO2008072685A1 (ja) | 2006-12-14 | 2007-12-13 | 電池構造体およびそれを用いたリチウム二次電池 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8021790B2 (ja) |
EP (1) | EP2093825B1 (ja) |
JP (1) | JP2008152925A (ja) |
KR (1) | KR101022717B1 (ja) |
CN (1) | CN101395754B (ja) |
WO (1) | WO2008072685A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010146911A1 (ja) * | 2009-06-19 | 2010-12-23 | 住友電気工業株式会社 | 発電要素およびそれを用いた非水電解質電池 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011076720A (ja) * | 2009-09-29 | 2011-04-14 | Panasonic Corp | 非水電解質二次電池用正極およびその製造方法 |
JP5383463B2 (ja) * | 2009-12-09 | 2014-01-08 | 日立造船株式会社 | 全固体リチウムイオン二次電池の製造方法 |
KR101488576B1 (ko) * | 2010-01-15 | 2015-02-02 | 도요타지도샤가부시키가이샤 | 정극 활물질의 평가 방법 |
JP5679748B2 (ja) * | 2010-09-21 | 2015-03-04 | 日立造船株式会社 | 全固体電池の製造方法 |
WO2014017968A1 (en) * | 2012-07-26 | 2014-01-30 | Lifesize Ab | Sustainable current collectors for lithium batteries |
CN102875179B (zh) * | 2012-10-22 | 2014-06-18 | 中国科学院上海硅酸盐研究所 | 一种电池用异质陶瓷材料的封接方法 |
KR101353262B1 (ko) * | 2013-04-19 | 2014-01-23 | 주식회사 셀모티브 | 리튬이차전지 전극용 메탈폼, 상기 메탈폼의 제조방법 및 상기 메탈폼을 포함하는 리튬이차전지 |
CN103560267B (zh) * | 2013-11-01 | 2016-05-11 | 国家电网公司 | 全固态锂二次电池电解质材料、其制备方法及全固态锂二次电池 |
JP6380254B2 (ja) * | 2015-06-23 | 2018-08-29 | トヨタ自動車株式会社 | 全固体電池の製造方法 |
CN108140813B (zh) | 2015-07-20 | 2021-09-07 | 赛莫必乐公司 | 三维多孔阳极电极的制造 |
DE102015217749A1 (de) * | 2015-09-16 | 2017-03-16 | Robert Bosch Gmbh | Beschichtetes Kathodenaktivmaterial für eine Batteriezelle |
WO2018048465A1 (en) * | 2016-09-08 | 2018-03-15 | Iowa State University Research Foundation, Inc. | Oxy-thio-nitride mixed network former solid electrolytes |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04231346A (ja) | 1990-09-18 | 1992-08-20 | Eveready Battery Co Inc | 網目形成成分及び網目修飾成分としてのL▲i3▼P▲O4▼及びLiP▲O3▼を基礎とするガラス質組成物 |
JPH0654687B2 (ja) | 1985-10-01 | 1994-07-20 | ユニオン、カ−バイド、コ−ポレ−シヨン | ガラス質酸化−硫化リン固体リチウム電解質 |
JPH1083838A (ja) | 1996-09-06 | 1998-03-31 | Nippon Telegr & Teleph Corp <Ntt> | 全固体リチウム電池 |
JP3233345B2 (ja) | 1997-10-31 | 2001-11-26 | 大阪府 | 全固体型電池用イオン伝導性硫化物ガラス微粉末の製造方法、全固体型電池用イオン伝導性硫化物ガラス微粉末、固体型電解質及び全固体型二次電池 |
JP2002329524A (ja) * | 2001-02-28 | 2002-11-15 | Sumitomo Electric Ind Ltd | 無機固体電解質およびリチウム電池部材 |
JP2003068361A (ja) | 2001-08-23 | 2003-03-07 | Japan Storage Battery Co Ltd | 全固体リチウム二次電池 |
JP2004127743A (ja) | 2002-10-03 | 2004-04-22 | Matsushita Electric Ind Co Ltd | 薄膜電池 |
JP2004179158A (ja) | 2002-11-12 | 2004-06-24 | Matsushita Electric Ind Co Ltd | リチウムイオン伝導体および全固体リチウムイオン二次電池 |
JP2004247317A (ja) * | 1998-12-03 | 2004-09-02 | Sumitomo Electric Ind Ltd | リチウム二次電池 |
JP2004265685A (ja) | 2003-02-28 | 2004-09-24 | Idemitsu Petrochem Co Ltd | リチウムイオン伝導性硫化物ガラス及びガラスセラミックスの製造方法並びに該ガラスセラミックスを用いた全固体型電池 |
JP3716833B2 (ja) | 2003-01-15 | 2005-11-16 | 住友電気工業株式会社 | リチウム二次電池負極部材、及びその製造方法 |
JP2006222063A (ja) * | 2005-01-11 | 2006-08-24 | Idemitsu Kosan Co Ltd | リチウムイオン伝導性固体電解質、その製造方法及び該固体電解質を用いたリチウム二次電池用固体電解質並びに該二次電池用固体電解質を用いた全固体リチウム電池 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03233345A (ja) | 1990-02-08 | 1991-10-17 | Idemitsu Kosan Co Ltd | 不透明油の屈折率検出方法 |
DE4105917A1 (de) * | 1991-02-26 | 1992-08-27 | Agfa Gevaert Ag | Verfahren zur verarbeitung fotografischer materialien |
JP2613153B2 (ja) | 1992-08-05 | 1997-05-21 | 富士紡績株式会社 | 微生物固定化用担体の製造方法 |
DE69936706T2 (de) | 1998-12-03 | 2008-04-30 | Sumitomo Electric Industries, Ltd. | Lithiumspeicherbatterie |
JP3407733B2 (ja) * | 2000-12-13 | 2003-05-19 | 住友電気工業株式会社 | 無機固体電解質薄膜の形成方法 |
EP1732152B1 (en) * | 2004-04-01 | 2014-03-05 | Sumitomo Electric Industries, Ltd. | Negative electrode member for secondary lithium battery and process for producing the same |
-
2006
- 2006-12-14 JP JP2006336484A patent/JP2008152925A/ja active Pending
-
2007
- 2007-12-13 WO PCT/JP2007/074002 patent/WO2008072685A1/ja active Application Filing
- 2007-12-13 CN CN2007800080589A patent/CN101395754B/zh active Active
- 2007-12-13 KR KR1020087019613A patent/KR101022717B1/ko active IP Right Grant
- 2007-12-13 US US12/282,149 patent/US8021790B2/en active Active
- 2007-12-13 EP EP07850523A patent/EP2093825B1/en not_active Not-in-force
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0654687B2 (ja) | 1985-10-01 | 1994-07-20 | ユニオン、カ−バイド、コ−ポレ−シヨン | ガラス質酸化−硫化リン固体リチウム電解質 |
JPH04231346A (ja) | 1990-09-18 | 1992-08-20 | Eveready Battery Co Inc | 網目形成成分及び網目修飾成分としてのL▲i3▼P▲O4▼及びLiP▲O3▼を基礎とするガラス質組成物 |
JPH1083838A (ja) | 1996-09-06 | 1998-03-31 | Nippon Telegr & Teleph Corp <Ntt> | 全固体リチウム電池 |
JP3233345B2 (ja) | 1997-10-31 | 2001-11-26 | 大阪府 | 全固体型電池用イオン伝導性硫化物ガラス微粉末の製造方法、全固体型電池用イオン伝導性硫化物ガラス微粉末、固体型電解質及び全固体型二次電池 |
JP2004247317A (ja) * | 1998-12-03 | 2004-09-02 | Sumitomo Electric Ind Ltd | リチウム二次電池 |
JP2002329524A (ja) * | 2001-02-28 | 2002-11-15 | Sumitomo Electric Ind Ltd | 無機固体電解質およびリチウム電池部材 |
JP2003068361A (ja) | 2001-08-23 | 2003-03-07 | Japan Storage Battery Co Ltd | 全固体リチウム二次電池 |
JP2004127743A (ja) | 2002-10-03 | 2004-04-22 | Matsushita Electric Ind Co Ltd | 薄膜電池 |
JP2004179158A (ja) | 2002-11-12 | 2004-06-24 | Matsushita Electric Ind Co Ltd | リチウムイオン伝導体および全固体リチウムイオン二次電池 |
JP3716833B2 (ja) | 2003-01-15 | 2005-11-16 | 住友電気工業株式会社 | リチウム二次電池負極部材、及びその製造方法 |
JP2004265685A (ja) | 2003-02-28 | 2004-09-24 | Idemitsu Petrochem Co Ltd | リチウムイオン伝導性硫化物ガラス及びガラスセラミックスの製造方法並びに該ガラスセラミックスを用いた全固体型電池 |
JP2006222063A (ja) * | 2005-01-11 | 2006-08-24 | Idemitsu Kosan Co Ltd | リチウムイオン伝導性固体電解質、その製造方法及び該固体電解質を用いたリチウム二次電池用固体電解質並びに該二次電池用固体電解質を用いた全固体リチウム電池 |
Non-Patent Citations (2)
Title |
---|
JOURNAL OF NON-CRYSTALLINE SOLIDS, vol. 123, 1990, pages 328 - 338 |
See also references of EP2093825A4 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010146911A1 (ja) * | 2009-06-19 | 2010-12-23 | 住友電気工業株式会社 | 発電要素およびそれを用いた非水電解質電池 |
CN102124600A (zh) * | 2009-06-19 | 2011-07-13 | 住友电气工业株式会社 | 发电元件以及具有该发电元件的非水电解质电池 |
KR101286110B1 (ko) | 2009-06-19 | 2013-07-15 | 스미토모덴키고교가부시키가이샤 | 발전 요소 및 그것을 이용한 비수전해질 전지 |
JP5534226B2 (ja) * | 2009-06-19 | 2014-06-25 | 住友電気工業株式会社 | 発電要素およびそれを用いた非水電解質電池 |
Also Published As
Publication number | Publication date |
---|---|
CN101395754A (zh) | 2009-03-25 |
EP2093825A4 (en) | 2010-11-03 |
EP2093825A1 (en) | 2009-08-26 |
EP2093825B1 (en) | 2011-10-26 |
CN101395754B (zh) | 2011-04-20 |
US20090029265A1 (en) | 2009-01-29 |
KR20080086537A (ko) | 2008-09-25 |
KR101022717B1 (ko) | 2011-03-22 |
JP2008152925A (ja) | 2008-07-03 |
US8021790B2 (en) | 2011-09-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2008072685A1 (ja) | 電池構造体およびそれを用いたリチウム二次電池 | |
US20200194831A1 (en) | Solid electrolyte sheet, method for manufacturing same, and sodium ion all-solid-state secondary cell | |
JP2017152324A (ja) | 全固体電池 | |
EP3449519A1 (en) | Metal alloy layers on substrates, methods of making same, and uses thereof | |
JP2008091328A (ja) | リチウム二次電池およびその製造方法 | |
US20070037059A1 (en) | Microbattery with at least one electrode and electrolyte each comprising a common grouping (xy1y2y3y4) and method for production of said microbattery | |
WO2005101549A1 (ja) | リチウム二次電池負極部材、及びその製造方法 | |
US20150311562A1 (en) | Solid electrolyte for a microbattery | |
JP5534226B2 (ja) | 発電要素およびそれを用いた非水電解質電池 | |
EP2220000B1 (en) | Iron-doped vanadium(v) oxides | |
JP6748348B2 (ja) | 全固体電池 | |
JP4329357B2 (ja) | リチウム二次電池負極部材、及びその製造方法 | |
WO2009142359A1 (en) | Solid electrolyte, fabrication method thereof and thin film battery comprising the same | |
US9947925B2 (en) | Negative electrode for lithium-ion secondary battery | |
Sugimoto et al. | Nanostructure of Si-Sn Thick-Film Electrodes to Improve the Energy Density of Oxide-Based All-Solid-State Lithium-Ion Batteries | |
JP2018142439A (ja) | 全固体電池、及びその製造方法、並びに接合材 | |
CN113039673A (zh) | 电池材料、电池、以及电池材料的制造方法 | |
JP5218745B2 (ja) | 電池構造体およびそれを用いたリチウム電池 | |
WO2024018246A1 (ja) | 全固体電池の製造方法 | |
WO2021132062A1 (ja) | ナトリウムイオン二次電池用部材及びナトリウムイオン二次電池 | |
KR101990027B1 (ko) | 전지용 음극 활물질, 그 제조방법 및 이를 포함하는 전지 | |
JP2009218125A (ja) | リチウム電池 | |
WO2020137617A1 (ja) | スパッタリングターゲット | |
JP2009272167A (ja) | 電池構造体およびそれを用いたリチウム電池 | |
JP2015053175A (ja) | 全固体電池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07850523 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020087019613 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200780008058.9 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12282149 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007850523 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |