WO2016103412A1 - Batterie à électrolyte non aqueux et bloc-batterie - Google Patents

Batterie à électrolyte non aqueux et bloc-batterie Download PDF

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Publication number
WO2016103412A1
WO2016103412A1 PCT/JP2014/084364 JP2014084364W WO2016103412A1 WO 2016103412 A1 WO2016103412 A1 WO 2016103412A1 JP 2014084364 W JP2014084364 W JP 2014084364W WO 2016103412 A1 WO2016103412 A1 WO 2016103412A1
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WO
WIPO (PCT)
Prior art keywords
negative electrode
nonaqueous electrolyte
positive electrode
battery
active material
Prior art date
Application number
PCT/JP2014/084364
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English (en)
Japanese (ja)
Inventor
高見　則雄
岸　敬
Original Assignee
株式会社 東芝
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社 東芝 filed Critical 株式会社 東芝
Priority to JP2016510846A priority Critical patent/JP6184588B2/ja
Priority to PCT/JP2014/084364 priority patent/WO2016103412A1/fr
Publication of WO2016103412A1 publication Critical patent/WO2016103412A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
    • 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
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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
    • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566—Liquid materials
    • H01M10/0568—Liquid materials characterised by the solutes
    • 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
    • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0566—Liquid materials
    • H01M10/0569—Liquid materials characterised by the solvents
    • 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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • 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

  • a battery pack including a non-aqueous electrolyte battery is provided.
  • FIG. 1 is a partially cutaway perspective view showing a nonaqueous electrolyte battery according to an embodiment.
  • FIG. 2 is an enlarged cross-sectional view of a part A in FIG.
  • FIG. 3 is a partially cutaway cross-sectional view of the nonaqueous electrolyte battery of the embodiment.
  • FIG. 4 is a side view of the battery of FIG.
  • FIG. 5 is a partially cutaway perspective view schematically showing the nonaqueous electrolyte battery of the embodiment.
  • FIG. 6 is a perspective view illustrating an example of an assembled battery used in the battery pack according to the embodiment.
  • FIG. 7 is a perspective view schematically showing the battery pack according to the embodiment.
  • FIG. 8 is an exploded perspective view of the battery pack according to the embodiment.
  • FIG. 9 is a block diagram showing an electric circuit of the battery pack of FIG.
  • the nonaqueous electrolyte battery including a negative electrode including at least one negative electrode active material selected from titanium dioxide and niobium titanium composite oxide having a monoclinic structure improves high-temperature cycle life performance, output performance, and capacity. be able to.
  • the organic solvent containing at least one selected from the group consisting of EMS, EiPS, and TFEP can improve oxidation resistance, Li x Ni 0.5 Mn 1.5 O 4 (0 ⁇ x ⁇ 1.1) and the like, the oxidative decomposition of the nonaqueous electrolyte by the positive electrode containing the positive electrode active material that can obtain a high potential can be suppressed, and a high voltage nonaqueous electrolyte battery can be obtained.
  • the other salt preferably includes at least one of a lithium salt and a sodium salt.
  • examples of other salts include NaLiB 4 , LiBF 4 , NaLiPF 6 , LiPF 6 , NaAsF 6 , LiAsF 6 , NaClO 4 , LiClO 4 , NaCF 3 SO 3 , NaN (CF 3 SO 2 ) 2 , NaN (C 2 F 5 SO 2) 2, Na (CF 3 SO 2) 3 C, NaB [(OCO) 2] 2, LiCF 3 SO 3, LiN (CF 3 SO 2) 2, LiN (C 2 F 5 SO 2) 2 Li (CF 3 SO 2 ) 3 C, LiB [(OCO) 2 ] 2 and the like.
  • metal compounds that can be electrochemically charged and discharged with alkali ions such as lithium ions and sodium ions, graphite that absorbs anions in the nonaqueous electrolyte, carbon materials, and activated carbon with a capacitor capacity are used. be able to.
  • alkali ions such as lithium ions and sodium ions
  • graphite that absorbs anions in the nonaqueous electrolyte
  • carbon materials and activated carbon with a capacitor capacity
  • activated carbon with a capacitor capacity are used. be able to.
  • the metal compound include metal oxides, metal sulfides, metal fluorides, olivine phosphate compounds, and fluorinated metal sulfate compounds.
  • Ni x Ni z Co 1-y Mn 1-yz O 2 nickel cobalt manganese-containing oxide
  • y is in the range of 0.5 to 1 Is preferred. Within this range, a high capacity (high energy density) can be obtained.
  • the compounding ratio of the positive electrode active material, the conductive agent and the binder is preferably in the range of 80 to 95% by weight of the positive electrode active material, 3 to 19% by weight of the conductive agent, and 1 to 7% by weight of the binder.
  • Negative electrode This negative electrode includes a negative electrode current collector and a negative electrode active material-containing layer (hereinafter referred to as a negative electrode material layer) carried on one or both surfaces of the negative electrode current collector.
  • the negative electrode material layer includes a negative electrode active material, a conductive agent, and a binder.
  • the negative electrode active material is at least one selected from titanium dioxide having a monoclinic structure and a niobium titanium composite oxide. An irreversible capacity may be generated during charging and discharging, and lithium may remain in the negative electrode active material. For this reason, the negative electrode active material may contain lithium.
  • the type of the negative electrode active material can be one type or two or more types.
  • niobium titanium composite oxide examples include Li a Nb 2 TiO 7 (0 ⁇ a ⁇ 5), Li a Nb 2 Ti 2 O 9 (0 ⁇ a ⁇ 5), Li a NbTiO 5 (0 ⁇ a ⁇ 5). Li a TiM b Nb 2 ⁇ ⁇ O 7 ⁇ ⁇ (0 ⁇ a ⁇ 5, 0 ⁇ b ⁇ 0.3, 0 ⁇ ⁇ ⁇ 0.3, 0 ⁇ ⁇ ⁇ 0.3, 0 ⁇ ⁇ ⁇ 0.3, where M is Fe, V, And at least one element selected from the group consisting of Mo and Ta).
  • the niobium titanium composite oxide having each composition preferably has a monoclinic structure.
  • the negative electrode active material particles may be either primary particles or secondary particles alone, or a mixture of primary particles and secondary particles.
  • the porosity of the negative electrode (excluding the current collector) is preferably in the range of 20 to 50%. Thereby, it is possible to obtain a negative electrode having excellent affinity between the negative electrode and the non-aqueous electrolyte and a high density. A more preferable range of the porosity is 25 to 40%.
  • Separator A separator can be disposed between the positive electrode and the negative electrode.
  • the separator include a synthetic resin nonwoven fabric, a porous film, and a cellulose nonwoven fabric.
  • a porous film can be formed from polyolefin, such as polyethylene and a polypropylene, for example.
  • a metal can made of aluminum, aluminum alloy, iron, stainless steel or the like having a square or cylindrical shape can be used. Further, the plate thickness of the container is desirably 0.5 mm or less, and a more preferable range is 0.3 mm or less.
  • the metal can made of an aluminum alloy is preferably an alloy having an aluminum purity of 99.8% by weight or less containing one or more elements selected from the group consisting of manganese, magnesium, zinc and silicon.
  • the strength of the metal can made of an aluminum alloy is dramatically increased, and thus the thickness of the can can be reduced. As a result, a thin, lightweight, high output and excellent heat dissipation battery can be realized.
  • the non-aqueous electrolyte battery of the embodiment can be applied to various forms of non-aqueous electrolyte batteries such as a square, cylindrical, flat, thin, coin type, etc. Examples include a rectangular battery or a cylindrical battery using a manufactured exterior member, and a thin battery using a laminated film exterior member. An example of the nonaqueous electrolyte battery will be described with reference to FIGS.
  • the laminated electrode group 1 is housed in a bag-like container 2 made of a laminate film in which a metal layer is interposed between two resin films.
  • the stacked electrode group 1 has a structure in which positive electrodes 3 and negative electrodes 4 are alternately stacked with separators 5 interposed therebetween.
  • a plurality of negative electrodes 4 are present, each including a current collector 4a and a negative electrode active material-containing layer 4b formed on both surfaces of the current collector 4a.
  • One side of the current collector 4 a of each negative electrode 4 protrudes from the positive electrode 3.
  • the positive electrode lead 60 is connected to the positive electrode terminal 53 located at the lowermost layer of the assembled battery 55, and the tip thereof is inserted into the positive electrode connector 61 of the printed wiring board 56 and electrically connected thereto.
  • the negative electrode lead 62 is connected to the negative electrode terminal 52 located on the uppermost layer of the assembled battery 55, and the tip thereof is inserted into and electrically connected to the negative electrode side connector 63 of the printed wiring board 56.
  • These connectors 61 and 63 are connected to the protection circuit 58 through wirings 64 and 65 formed on the printed wiring board 56.
  • the assembled battery 55 is stored in a storage container 69 together with each protective sheet 68 and the printed wiring board 56. That is, the protective sheet 68 is disposed on each of the inner side surface in the long side direction and the inner side surface in the short side direction of the storage container 69, and the printed wiring board 56 is disposed on the inner side surface on the opposite side in the short side direction.
  • the assembled battery 55 is located in a space surrounded by the protective sheet 68 and the printed wiring board 56.
  • the lid 70 is attached to the upper surface of the storage container 69.
  • the positive electrode was covered with a separator made of a cellulose nonwoven fabric having a thickness of 20 ⁇ m
  • the negative electrode was stacked on the separator so as to face the positive electrode via the separator, and these were wound in a spiral shape to produce an electrode group.
  • This electrode group was further pressed into a flat shape.
  • the electrode group was housed in a bottomed rectangular cylindrical metal can made of an aluminum alloy (Al purity 99 wt%) having a thickness of 0.5 mm.
  • lithium titanate or titanium dioxide having an anatase structure when used as the negative electrode active material, when the positive electrode active material is finely divided to increase the specific surface area, the high-temperature life performance and thermal stability of the battery are deteriorated.
  • the measurement method of the average particle diameter of the negative electrode active material used in the examples, the BET specific surface area by N 2 adsorption, and the porosity of the negative electrode is shown below.

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  • Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

Un mode de réalisation de la présente invention concerne une batterie à électrolyte non aqueux qui comprend une électrode positive, une électrode négative et un électrolyte non aqueux. L'électrode négative contient au moins un matériau actif d'électrode négative qui est choisi parmi des oxydes composites de niobium-titane et les dioxydes de titane ayant une structure monoclinique. De plus, l'électrolyte non aqueux contient un solvant organique, des anions bisfluorosulfonylimide (N(FSO2)2 -) et des cations alcalins.
PCT/JP2014/084364 2014-12-25 2014-12-25 Batterie à électrolyte non aqueux et bloc-batterie WO2016103412A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2016510846A JP6184588B2 (ja) 2014-12-25 2014-12-25 非水電解質電池及び電池パック
PCT/JP2014/084364 WO2016103412A1 (fr) 2014-12-25 2014-12-25 Batterie à électrolyte non aqueux et bloc-batterie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/084364 WO2016103412A1 (fr) 2014-12-25 2014-12-25 Batterie à électrolyte non aqueux et bloc-batterie

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WO2016103412A1 true WO2016103412A1 (fr) 2016-06-30

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WO (1) WO2016103412A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017004603A (ja) * 2015-06-04 2017-01-05 東ソ−・エフテック株式会社 非水電解液およびそれを用いた非水系二次電池
CN107293742A (zh) * 2017-07-25 2017-10-24 黄冈林立新能源科技有限公司 一种层状单斜相–尖晶石相集成结构的锂电正极材料的制备方法
CN109941978A (zh) * 2019-04-25 2019-06-28 浙江科峰锂电材料科技有限公司 制备双氟磺酰亚胺铵及双氟磺酰亚胺碱金属盐的方法
CN112635836A (zh) * 2019-10-08 2021-04-09 本田技研工业株式会社 锂离子二次电池用电解液及锂离子二次电池
EP3879596A1 (fr) * 2020-03-11 2021-09-15 Kabushiki Kaisha Toshiba Électrode négative, batterie secondaire, bloc-batterie et véhicule
CN116404236A (zh) * 2023-05-26 2023-07-07 中南大学 一种铌基低温锂离子电池

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102553570B1 (ko) 2018-06-27 2023-07-10 삼성전자 주식회사 리튬 이온 전지용 양극 활물질 및 이를 포함하는 리튬 이온 전지
JP7347907B1 (ja) 2023-03-24 2023-09-20 住鉱潤滑剤株式会社 乾性潤滑被膜形成用の塗料組成物、乾性潤滑被膜

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014192154A (ja) * 2014-02-13 2014-10-06 Toshiba Corp 非水電解質電池および電池パック
JP2014194875A (ja) * 2013-03-28 2014-10-09 Fujifilm Corp 非水二次電池および非水二次電池用電解液

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014194875A (ja) * 2013-03-28 2014-10-09 Fujifilm Corp 非水二次電池および非水二次電池用電解液
JP2014192154A (ja) * 2014-02-13 2014-10-06 Toshiba Corp 非水電解質電池および電池パック

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017004603A (ja) * 2015-06-04 2017-01-05 東ソ−・エフテック株式会社 非水電解液およびそれを用いた非水系二次電池
CN107293742A (zh) * 2017-07-25 2017-10-24 黄冈林立新能源科技有限公司 一种层状单斜相–尖晶石相集成结构的锂电正极材料的制备方法
CN109941978A (zh) * 2019-04-25 2019-06-28 浙江科峰锂电材料科技有限公司 制备双氟磺酰亚胺铵及双氟磺酰亚胺碱金属盐的方法
CN112635836A (zh) * 2019-10-08 2021-04-09 本田技研工业株式会社 锂离子二次电池用电解液及锂离子二次电池
JP2021061198A (ja) * 2019-10-08 2021-04-15 本田技研工業株式会社 リチウムイオン二次電池用電解液、およびリチウムイオン二次電池
EP3879596A1 (fr) * 2020-03-11 2021-09-15 Kabushiki Kaisha Toshiba Électrode négative, batterie secondaire, bloc-batterie et véhicule
CN116404236A (zh) * 2023-05-26 2023-07-07 中南大学 一种铌基低温锂离子电池
CN116404236B (zh) * 2023-05-26 2024-03-19 中南大学 一种铌基低温锂离子电池

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