WO2018224167A1 - Batterie au lithium dans laquelle est utilisé de l'oxyde de triphénylphosphine comme additif d'électrolyte - Google Patents

Batterie au lithium dans laquelle est utilisé de l'oxyde de triphénylphosphine comme additif d'électrolyte Download PDF

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Publication number
WO2018224167A1
WO2018224167A1 PCT/EP2017/064147 EP2017064147W WO2018224167A1 WO 2018224167 A1 WO2018224167 A1 WO 2018224167A1 EP 2017064147 W EP2017064147 W EP 2017064147W WO 2018224167 A1 WO2018224167 A1 WO 2018224167A1
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Prior art keywords
carbonate
lithium
electrolyte
lithium battery
mixtures
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PCT/EP2017/064147
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English (en)
Inventor
Juhyon Lee
Thomas Koester
Kolja BELTROP
Sven Klein
Xin Qi
Tobias PLACKE
Martin Winter
Liang TAO
Jian Yan
Lin Lu
Chengdu Liang
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Bayerische Motoren Werke Aktiengesellschaft
Contemporary Amperex Technology Co., Limited
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Priority to PCT/EP2017/064147 priority Critical patent/WO2018224167A1/fr
Publication of WO2018224167A1 publication Critical patent/WO2018224167A1/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
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/14—Cells with non-aqueous electrolyte
    • H01M6/16—Cells with non-aqueous electrolyte with organic electrolyte
    • H01M6/162—Cells with non-aqueous electrolyte with organic electrolyte characterised by the electrolyte
    • H01M6/168—Cells with non-aqueous electrolyte with organic electrolyte characterised by the electrolyte by additives

Definitions

  • the present invention relates to a lithium battery and use of triphenylphosphine oxide as an electrolyte additive therein.
  • the electrolyte can be regarded as an inert component in the battery, and therefore must be stable both against cathode and anode surfaces.
  • This electrochemical stability of the electrolyte which is usually realized in a kinetic (passivation) and not a thermodynamic manner in actual devices, is of particular importance for rechargeable battery systems, even though these are difficult to fulfil because of the strong oxidizing and reducing nature of the cathode and anode.
  • electrolyte for lithium-ion batteries is therefore that they are anhydrous or more precisely aprotic; that is, the solvent must not contain active protons which can react with lithium.
  • the solvent should be in a liquid state in the service temperature range.
  • a disadvantage of conventional electrolytes based on lithium hexafluorophosphate in carbonates for lithium-ion batteries is in particular the low oxidative stability of 4.5 V against Li / Li + .
  • the electrolyte is stable only up to this voltage, whereas outside this range the oxidative decomposition of the electrolyte and associated dissolution of the cathode
  • Lithium-nickel-manganese-cobalt oxides also referred to as "NMC" is one preferred cathode active material for lithium- ion batteries with a high energy density or high power density.
  • NMC Lithium-nickel-manganese-cobalt oxides
  • decomposition of the electrolyte and the dissolution of the cathode material occurs at 4.4 V. The result is a low cycle stability and therefore battery life.
  • the object of the present invention is to provide a lithium battery with improved stability.
  • Lithium battery According to the present invention, the terms “lithium battery”, “lithium ion battery”, “rechargeable lithium ion battery” and “lithium ion secondary battery” are used
  • lithium-ion accumulator and “lithium-ion cell” as well as all lithium or alloy batteries.
  • lithium battery is used as a generic term for the aforementioned terms used in the prior art. It means both rechargeable batteries (secondary
  • a “battery” for the purposes of the present invention also comprises a single or only
  • electrochemical cell Preferably, two or more such cells are arranged.
  • Electrodes are connected together in a "battery", either in series (i.e., successively) or in parallel. Electrodes
  • the electrochemical cell according to the invention has at least two electrodes, i. e. a positive (cathode) and a negative electrode (anode) .
  • Both electrodes each have at least one active material. This is capable of absorbing or emitting lithium ions and at the same time absorbing or emitting electrons.
  • positive electrode means the electrode which, when the battery is connected to a load, for example to an
  • the term "negative electrode” means the electrode which is capable of emitting electrons during operation. It represents the anode in this nomenclature.
  • the electrodes comprise inorganic material or inorganic compounds or substances which can be used for or in or on an electrode or as an electrode. These compounds or substances can, under the working conditions of the lithium-ion battery, accept (insert) and also release lithium ions due to their chemical nature.
  • active cathode material or active anode material” or generally “active material”.
  • this active material is preferably applied to a support or carrier, preferably to a metallic support, preferably aluminum for the cathode or copper for the anode. This support is also referred to as a "collector” or collector film.
  • the active material for the positive electrode or active cathode material comprises or preferably consists of nickel manganese cobalt oxide (NCM) .
  • NCM has the general formula (LiNi x Co y Mn 1 - x - y 0 2 ) with each of x and y not including zero and x + y being smaller than 1.
  • NCM-111 Li i 1/ 3Coi/3Mn 1/3 02
  • NCM-532 LiNio.5Coo.2Mno.3O2
  • NCM-622 LiNio.eCoo.2Mno.2O2
  • LiNio.8Coo.1Mno.1O2 (NCM-811), LiNi 0 .85Coo.o75Mno.o750 2 and mixtures thereof can be used.
  • NCM-811 Ni-rich NMCs due to their higher specific capacity of 180-190 mAh g _1 at the upper cut ⁇ off potential of 4.3 V vs. Li/Li + , with NCM-622 and NCM-811 being more preferred and NCM-811 being in particular
  • the active material may also contain mixtures of the above active cathode material with a second or more of, for example, one of the following active cathode materials.
  • the second active material for the positive electrode or active cathode material all materials known from the related art can be used. These include, for example, LiCo0 2 , NCA, high-energy NCM or HE-NCM, lithium-iron phosphate, Li-Manganese spinel (LiMn 2 0 4 ) , Li-Manganese nickel oxide (LMNO) or lithium-rich transition metal oxides of the type (Li 2 Mn03) x (L1MO2) i- x ⁇
  • lithium metal oxide lithium metal oxide
  • layered oxides spinels
  • olivine compounds silicate
  • active cathode material is used as such a second active cathode material.
  • active cathode materials are described, for example, in Bo Xu et al . "Recent progress in cathode materials research for advanced lithium ion
  • HE-NCM HE-NCM
  • Layered oxides and HE-NCM are also described in the patents US Pat. Nos. 6,677,082 B2, 6,680,143 B2 and US Pat. No. 7,205,072 B2 of Argonne National Laboratory.
  • lithium metal oxide, spinel compounds and layered oxides are lithium manganate, preferably LiMn204, lithium cobaltate, preferably LiCo0 2 , lithium nickelate, preferably LiNi0 2 , or mixtures of two or more of these oxides or mixed oxides thereof.
  • further compounds may be present in the active material, preferably carbon-containing compounds, or carbon, preferably in the form of conductive carbon black or graphite.
  • the carbon can also be introduced in the form of carbon nanotubes.
  • Such additives are preferably applied in an amount of from 0.1 to 10% by weight, preferably from 1 to 8% by weight, based on the mass of the positive electrode applied to the support.
  • Anode (negative electrode)
  • the active material for the negative electrode or active anode material can be any of the materials known from the related art.
  • the negative electrode there is no limitation with regard to the negative electrode.
  • the active anode material may be selected from the group consisting of lithium metal oxides, such as lithium titanium oxide, metal oxides (e.g. Fe 2 ⁇ 03, ZnO, ZnFe 2 0 4 ) , carbonaceous materials such as graphite (synthetic graphite, natural graphite) graphene, mesocarbon , doped carbon, hard carbon, soft carbon, fullerenes, mixtures of silicon and carbon, silicon, lithium alloys, metallic lithium and mixtures thereof. Niobium pentoxide, tin alloys, titanium dioxide, tin dioxide, silicon or oxides of silicon can also be used as the electrode material for the negative electrode.
  • the active anode material may also be a material alloyable with lithium. This may be a lithium alloy or a non-lithiated or partially lithiated precursor to this, resulting in a lithium alloy formation. Preferred lithium-alloyable
  • lithium alloys selected from the group consisting of
  • Electrode binders consisting of silicon-based, tin-based and antimony-based alloys. Such alloys are described, for example, in the review article W.-J. Zhang, Journal of Power Sources 196 (2011) 13- 24. Electrode binders
  • the materials used for the positive or for the negative electrode, such as the active materials, are held together by one or more binders which hold these materials on the
  • the binder (s) may be selected from the group consisting of polyvinylidene fluoride (PVdF) , polyvinylidene fluoride-hexa- fluoro-propylene co-polymer (PVdF-HFP) polyethylene oxide (PEO) , polytetrafluoroethylene, polyacrylate, styrene- butadiene Rubber, and carboxymethylcellulose (CMC) , and mixtures and copolymers thereof.
  • PVdF polyvinylidene fluoride
  • PVdF-HFP polyvinylidene fluoride-hexa- fluoro-propylene co-polymer
  • PEO polyethylene oxide
  • PEO polytetrafluoroethylene
  • polyacrylate styrene- butadiene Rubber
  • CMC carboxymethylcellulose
  • Styrene-butadiene rubber and optionally carboxymethylcellulose and / or the other binders such as PVdF are preferably present in an
  • the lithium battery according to the invention preferably has a material which separates the positive electrode and the negative electrode from each other. This material is
  • lithium ion batteries permeable to lithium ions, ie it emits lithium ions, but is a non-conductor for electrons.
  • separators Such materials used in lithium ion batteries are also referred to as separators.
  • polymers are used as separators.
  • the polymers are selected from the group consisting of:
  • cellulose consisting of: cellulose, polyester, preferably polyethylene terephthalate ; polyolefin, preferably polyethylene,
  • polypropylene polyacrylonitrile ; polyvinylidene fluoride; polyvinylidene hexafluoropropylene ; polyetherimide ;
  • the separator has porosity so that it is permeable to lithium ions.
  • the separator consists of at least one polymer.
  • electrolyte preferably means a liquid in which a lithium conducting salt is dissolved, preferably the liquid is a solvent for the conducting salt, and the Li conductive salt is preferably present as an electrolyte solution.
  • LiPF6 is used as lithium conductive salt. It is possible to use a second or more conductive salt, such as LiBF 4 .
  • the present invention relates to a lithium battery comprising an anode comprising an active anode material, a cathode comprising an active cathode material comprising lithium nickel manganese cobalt oxide
  • LiNi x Mn y Co z 02 NMC
  • electrolyte further comprises triphenylphosphine oxide.
  • the lithium battery according to the present invention comprising NCM as active cathode material and triphenylphosphine oxide as electrolyte additive, compared to the electrolyte without additive exhibits higher cycle stability and service life.
  • triphenylphosphine oxide is usable in a wide temperature range, is relatively non-toxic, and readily available .
  • LiPF 6 -containing electrolytes for commercial lithium-ion batteries based on NCM active cathode materials.
  • the electrolyte according to the invention comprises the additive triphenylphosphine oxide, dissolved in an organic solvent.
  • the electrolyte is, for example,
  • the concentration of lithium hexafluorophosphate in the electrolyte is in the range from> 0.1 M to ⁇ 2 M, preferably in the range from > 0.5 M to ⁇ 1.5 M, particularly preferably in the range from> 0.7 M to ⁇ 1.2 M.
  • the concentration of lithium hexafluorophosphate in the electrolyte is 1 M.
  • the electrolyte comprises an organic solvent, an ionic liquid and / or a polymer matrix.
  • the electrolyte comprises lithium
  • triphenylphosphine oxide has good solubility in organic solvents, especially in cyclic and / or linear carbonates. This advantageously allows the use of triphenylphosphine oxide in LiPF 6 -containing liquid electrolytes.
  • the organic solvent is selected from the group consisting of ethylene carbonate (EC) , propylene carbonate, diethyl carbonate, dimethyl carbonate, ethyl methyl carbonate (EMC) , acetonitrile, glutaronitrile, adiponitrile, pimelonitrile, gamma-butyrolactone, gamma- valerolactone, dimethoxyethane, dioxalane, methyl acetate, ethyl methane sulfonate, dimethyl methyl phosphonate and / or mixture thereof.
  • Suitable organic solvents are, in
  • cyclic carbonates such as ethylene carbonate and propylene carbonate
  • linear carbonates such as diethyl carbonate, dimethyl carbonate and ethyl methyl carbonate and mixtures thereof.
  • the organic solvent is selected from the group consisting of ethylene carbonate, diethyl carbonate, dimethyl carbonate, ethyl methyl carbonate and mixtures thereof.
  • a preferred solvent is ethylene carbonate.
  • Ethylene carbonate is also referred to as 1 , 3-dioxolan-2-one according to the IUPAC nomenclature.
  • Ethylene carbonate is commercially available.
  • Ethylene carbonate has a high boiling point and a high flame point. It is also advantageous that ethylene carbonate allows a high conductivity due to a good salt dissociation .
  • the organic solvent comprises a mixture of ethylene carbonate and at least one further organic solvent, preferably gamma-butyrolactone .
  • the ratio of ethylene carbonate and the at least one further organic solvent, preferably ethylmethyl carbonate, is preferably in the range from >1 : 99 to ⁇ 99: 1, preferably in the range from >1 : 9 to ⁇ 9: 1 : 7 to ⁇ 1: 1. If not stated differently, the ratio indicated relates to the weight parts of the solvents.
  • a high conductivity in a temperature range from -25 °C. to +60 °C was advantageously achieved in a solvent mixture of ethylene carbonate and ethyl methyl carbonate in the ratio 1 : 1.
  • ternary mixtures comprising at least one carbonate as solvent.
  • Particular preference is given to mixtures of ethylene carbonate with a further solvent, for example ethyl methyl carbonate, and a compound which is suitable for forming a so-called solid electrolyte interphase (SEI), a solid electrolyte interface.
  • SEI solid electrolyte interphase
  • electrolyte can therefore also comprise additives, in
  • the electrolyte comprises a compound selected from the group consisting of chloroethylene carbonate, fluoroethylene carbonate, vinylene carbonate, vinyl ethylene carbonate, ethylene sulfite, ethylene sulfate, propane sulfonates, sulfites, preferably dimethyl sulfite and propylene sulfite, sulfates, butyrolactones , phenylethylene carbonate, vinyl acetate and trifluoropropylene carbonate.
  • chlorine-substituted or fluorine-substituted carbonates are preferred, in
  • fluoroethylene carbonate FEC
  • the additives can improve the battery performance, for example the capacity or the cycle life.
  • fluoroethylene carbonate can lead to improved long-term stability of a cell.
  • the electrolyte contains at least one further additive, in particular a compound selected from the group consisting of chloroethylene carbonate, fluoroethylene carbonate, vinylene carbonate, vinyl ethylene carbonate, ethylene sulfite, ethylene sulfate, propane sulfonates, sulfites, preferably dimethyl sulfite and propylene sulfite, sulfates, butyrolactones optionally substituted by F, CI or Br, phenylethylene carbonate, vinyl acetate,
  • the organic solvent preferably comprises a mixture of ethylene carbonate and at least one further organic solvent, preferably selected from the group consisting of linear carbonates, in particular ethyl methyl carbonate, and
  • fluoroethylene carbonate can form a protective layer on a graphite cathode and reduce excess potentials of the electrode.
  • Ionic liquids have also proved to be very
  • Preferred ionic liquids include a cation selected from the group consisting of 1 , 2-dimethyl-3-propylimidazolium (DMPI +) , 1,2-diethyl 3 , 5-dimethylimidazolium (DEDMI +) , N-alkyl-N- methylpiperidinium (PIPIR +) , N-alkyl-N-methylmorpholinium (MORPIR +) and mixtures thereof and an anion selected from the group consisting of trimethyl-n-hexylammonium (TMHA +) and N-alkylpyrrolidinium comprising bis
  • TSAC trifluoromethanesulfonyl
  • BF4- Tetrafluoroborate
  • C 2 F 5 BF 3 - pentafluoroethane trifluoroborate
  • Preferred N-alkyl-N-methylpyrrolidinium (PYRIR +) cations are selected from the group consisting of N-butyl-N- methylpyrrolidinium (PYR14 +) , N-methyl-N-propylpyrrolidinium (PYR13 +) and mixtures thereof.
  • Preferred ionic liquids are selected from the group
  • Solid polymer electrolytes exhibit good properties with regard to the requirements for future accumulator generations. They allow for a solvent-free construction, which is easy to manufacture and manifold in shape. In addition, the energy density can be increased since the three-layer structure made of electrolyte separator electrolyte is omitted so that only a thin polymer film is required between the electrodes. Solid electrolytes are generally chemically and electrochemically stable to electrode materials and do not escape from the cell. Gel polymer electrolytes usually comprise an aprotic solvent and a polymer matrix.
  • Preferred polymers for solid polymer electrolytes and gel polymer electrolytes are selected from the group consisting of homo- or copolymers of polyethylene oxide (PEO) ,
  • polypropylene oxide PPO
  • PVdF polyvinylidene fluoride
  • PVdF-HFP polyvinylidenefluoridehexafluoropropylene
  • PAN polyacrylonitrile
  • PMMA polymethylmethacrylate
  • PEMA polyethylmethacrylate
  • PVAc polyvinyl acetate
  • PVC polyvinyl chloride
  • PVA polyphophazenes
  • polysiloxanes polyvinyl alcohol (PVA)
  • homo- and (block) copolymers comprising functional side chains selected from the group consisting of ethylene oxide, propylene oxide,
  • NMC lithium nickel manganese cobalt oxide
  • the general formula (LiNi x Co y Mni- x - y 02 ) with each of x and y not including zero and x + y being smaller than 1 can be used.
  • Li ii/3Coi/3Mni/302 selected from the group consisting of Li ii/3Coi/3Mni/302 (NMC- 111), LiNio.5Coo.2Mno.3O2 (NMC-532), LiNio.6Coo.2Mno.2O2 (NMC-622), LiNio.7Coo.15Mno.15O2, LiNio.8Coo.1Mno.1O2 (NMC-811), Li io.85Coo.o75 n 0 .o7502 and mixtures thereof are preferred. More preferred are Ni-rich NMCs with 0.5 ⁇ x ⁇ l due to their higher specific capacity of 180-190 mAh g _1 at the upper cut-off potential of 4.3 V vs. Li/Li + , with NMC-622 and NMC-811 being still more preferred and NMC-811 being in particular
  • the anode comprises an active anode material selected from a group consisting of carbon,
  • the present invention is directed to the use of triphenylphosphine oxide as additive in a lithium battery as defined in the first aspect of the present invention for enhancing one characteristic selected from the group consisting of reversible capacity, Coulomb efficiency, cyclic stability and combinations thereof.
  • the lithium-ion battery according to the invention is a lithium-ion battery.
  • FIG. 1 shows the results of LiPF6-containing electrolytes in lithium half cells with NCM (2.8 V to 4.3 V against Li / Li +) without additive in LP50 (EC/MC (1:1)) with respect to the charge capacity, discharge capacity and efficiency.
  • FIG. 2 shows the influence of triphenylphosphine oxide (TPPO) as an additive in LiPF 6 -containing electrolytes in lithium half cells with NCM (2.8 V to 4.3 V against Li / Li +) in LP50 (EC/EMC (1:1)) on the charge capacity, discharge
  • TPPO triphenylphosphine oxide
  • FIG. 3 shows the influence of triphenylphosphine oxide (TPPO) as an additive in LiPF 6 -containing electrolytes in lithium half cells with NCM (2.8 V to 4.3 V against Li / Li +) in LP50 (EC/EMC (1:1)) in comparison to those without additive on the discharge capacity and coulombic efficiency.
  • FIG. 4 shows the results of LiPF6-containing electrolytes in lithium half cells with NCM (2.8 V to 4.3 V against Li / Li +) without additive in LP57 (EC/EMC (3:7)) with respect to the charge capacity, discharge capacity and efficiency.
  • TPPO triphenylphosphine oxide
  • FIG. 5 shows the influence of triphenylphosphine oxide (TPPO) as an additive in LiPF 6 -containing electrolytes in lithium half cells with NCM (2.8 V to 4.3 V against Li / Li +) in LP57 (EC/EMC (3:7)) on the capacity, and efficiency.
  • FIG. 6 shows the influence of triphenylphosphine oxide (TPPO) as an additive in LiPF 6 -containing electrolytes in lithium half cells with NCM (2.8 V to 4.3 V against Li / Li +) in LP50 (EC/EMC (1:1)) in comparison to those without additive on the discharge capacity and coulombic efficiency.
  • TPPO triphenylphosphine oxide
  • the electrolyte mixtures were mixed in a glove box with a 3 ⁇ 40 and O2 content below 0.5 ppm. All indicated mixing ratios are based on the mass ratio (% by weight) .
  • Fig. 1 shows the results of LiPF6-containing electrolytes in lithium half cells with NCM (2.8 V to 4.3 V against Li / Li +) without additive in LP50 (EC/MC (1:1)) with respect to the charge capacity, discharge capacity and efficiency.
  • the capacity at cycle 100 was 120 mAh/g.
  • the Coulombic efficiency after the first cycle was 64.3%.
  • FIG. 2 shows the influence of triphenylphosphine oxide (TPPO) as an additive in LiPF 6 -containing electrolytes in lithium half cells with NCM (2.8 V to 4.3 V against Li / Li +) in LP50 (EC/MC (1:1)) on the charge capacity, discharge capacity and efficiency.
  • TPPO triphenylphosphine oxide
  • FIG. 3 shows the influence of triphenylphosphine oxide (TPPO) as an additive in LiPF 6 -containing electrolytes in lithium half cells with NCM (2.8 V to 4.3 V against Li / Li +) in LP50 (EC/MC (1:1)) in comparison to those without additive on the discharge capacity and coulombic efficiency.
  • TPPO triphenylphosphine oxide
  • FIG. 4 shows the results of LiPF6-containing electrolytes in lithium half cells with NCM (2.8 V to 4.3 V against Li / Li +) without additive in LP57 (EC/MC (3:7)) with respect to the charge capacity, discharge capacity and efficiency.
  • the capacity at cycle 60 was 142 mAh/g.
  • the Coulombic efficiency after the first cycle was 73.1%.
  • FIG. 5 shows the influence of triphenylphosphine oxide (TPPO) as an additive in LiPF 6 -containing electrolytes in lithium half cells with NCM (2.8 V to 4.3 V against Li / Li + ) in LP57 (EC/MC (3:7)) on the charge capacity, discharge capacity and efficiency.
  • the capacity at cycle 60 was 177 mAh/g. This translates in a capacity gain compared to LP57 without additive (at cycle 60; please see Fig. 3) of 25%.
  • the TPPO triphenylphosphine oxide
  • FIG. 6 shows the influence of triphenylphosphine oxide (TPPO) as an additive in LiPF 6 -containing electrolytes in lithium half cells with NCM (2.8 V to 4.3 V against Li / Li +) in LP50 (EC/MC (1:1)) in comparison to those without additive on the discharge capacity and coulombic efficiency.
  • TPPO triphenylphosphine oxide

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Abstract

La présente invention concerne une batterie au lithium comprenant une anode comprenant un matériau d'anode actif, une cathode comprenant un matériau de cathode actif comprenant de l'oxyde de lithium-nickel-manganèse-cobalt (NMC), et un électrolyte séparant l'anode et la cathode, l'électrolyte comprenant un solvant ou un mélange de solvants et de l'hexafluorophosphate de lithium, l'électrolyte comprenant en outre de l'oxyde de triphénylphosphine. De plus, la présente invention concerne en outre l'utilisation d'oxyde de triphénylphosphine comme additif dans la batterie au lithium afin d'améliorer une caractéristique choisie dans le groupe constitué par la capacité réversible, l'efficacité coulombique, la stabilité cyclique et leurs combinaisons.
PCT/EP2017/064147 2017-06-09 2017-06-09 Batterie au lithium dans laquelle est utilisé de l'oxyde de triphénylphosphine comme additif d'électrolyte WO2018224167A1 (fr)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020200399A1 (fr) * 2019-03-29 2020-10-08 Bayerische Motoren Werke Aktiengesellschaft Batterie au lithium et utilisation d'un additif d'électrolyte à base d'organyl-germanium en tant qu'additif d'électrolyte en son sein
CN112928327A (zh) * 2019-12-06 2021-06-08 宁德国泰华荣新材料有限公司 一种二次电池
CN114614088A (zh) * 2022-01-10 2022-06-10 天津大学 一种容量补偿型电解液添加剂、制备方法、应用以及含有该添加剂的电解液和二次电池

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6677082B2 (en) 2000-06-22 2004-01-13 The University Of Chicago Lithium metal oxide electrodes for lithium cells and batteries
US6680143B2 (en) 2000-06-22 2004-01-20 The University Of Chicago Lithium metal oxide electrodes for lithium cells and batteries
US20040091772A1 (en) * 2002-06-20 2004-05-13 Boris Ravdel Lithium-ion battery electrolytes with improved thermal stability
US7205072B2 (en) 2002-11-01 2007-04-17 The University Of Chicago Layered cathode materials for lithium ion rechargeable batteries
JP2013051202A (ja) * 2011-08-02 2013-03-14 Mitsubishi Chemicals Corp 非水系電解液及びそれを用いた非水系電解液二次電池
JP2014209475A (ja) * 2013-03-28 2014-11-06 株式会社半導体エネルギー研究所 非水溶媒、非水電解質及び蓄電装置
WO2016095116A1 (fr) * 2014-12-17 2016-06-23 Basf Corporation Compositions d'électrolytes pour batteries rechargeables au lithium-ion

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6677082B2 (en) 2000-06-22 2004-01-13 The University Of Chicago Lithium metal oxide electrodes for lithium cells and batteries
US6680143B2 (en) 2000-06-22 2004-01-20 The University Of Chicago Lithium metal oxide electrodes for lithium cells and batteries
US20040091772A1 (en) * 2002-06-20 2004-05-13 Boris Ravdel Lithium-ion battery electrolytes with improved thermal stability
US7205072B2 (en) 2002-11-01 2007-04-17 The University Of Chicago Layered cathode materials for lithium ion rechargeable batteries
JP2013051202A (ja) * 2011-08-02 2013-03-14 Mitsubishi Chemicals Corp 非水系電解液及びそれを用いた非水系電解液二次電池
JP2014209475A (ja) * 2013-03-28 2014-11-06 株式会社半導体エネルギー研究所 非水溶媒、非水電解質及び蓄電装置
WO2016095116A1 (fr) * 2014-12-17 2016-06-23 Basf Corporation Compositions d'électrolytes pour batteries rechargeables au lithium-ion

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
BO XU ET AL.: "Materials Science and Engineering R", vol. 73, 2012, article "Recent progress in cathode materials research for advanced lithium ion batteries", pages: 51 - 65
J. LI; L.E. DOWNIE; L. MA; W. QIU; J.R. DAHN, JOURNAL OF THE ELECTROCHEMICAL SOCIETY, vol. 162, 2015, pages A1401 - A1408
W. QIU; J. XIA; L. CHEN; J.R. DAHN, JOURNAL OF POWER SOURCES, vol. 318, 2016, pages 228 - 234
W.-J. ZHANG, JOURNAL OF POWER SOURCES, vol. 196, 2011, pages 13 - 24

Cited By (4)

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WO2020200399A1 (fr) * 2019-03-29 2020-10-08 Bayerische Motoren Werke Aktiengesellschaft Batterie au lithium et utilisation d'un additif d'électrolyte à base d'organyl-germanium en tant qu'additif d'électrolyte en son sein
CN112928327A (zh) * 2019-12-06 2021-06-08 宁德国泰华荣新材料有限公司 一种二次电池
CN114614088A (zh) * 2022-01-10 2022-06-10 天津大学 一种容量补偿型电解液添加剂、制备方法、应用以及含有该添加剂的电解液和二次电池
CN114614088B (zh) * 2022-01-10 2024-05-07 天津储翕科技有限公司 一种容量补偿型电解液添加剂、制备方法、应用以及含有该添加剂的电解液和二次电池

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