EP3918656A1 - Elektrolyt - Google Patents

Elektrolyt

Info

Publication number
EP3918656A1
EP3918656A1 EP20701772.4A EP20701772A EP3918656A1 EP 3918656 A1 EP3918656 A1 EP 3918656A1 EP 20701772 A EP20701772 A EP 20701772A EP 3918656 A1 EP3918656 A1 EP 3918656A1
Authority
EP
European Patent Office
Prior art keywords
electrolyte composition
carbonate
silica
battery
composition according
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP20701772.4A
Other languages
English (en)
French (fr)
Inventor
Han-Seong Kim
Hyun-Cheol Lee
Ji-Hye WON
Lawrence Alan Hough
Laurent Guy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhodia Operations SAS
Original Assignee
Rhodia Operations SAS
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 Rhodia Operations SAS filed Critical Rhodia Operations SAS
Publication of EP3918656A1 publication Critical patent/EP3918656A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H01M6/164—Cells with non-aqueous electrolyte with organic electrolyte characterised by the electrolyte by the solvent
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/54—Electrolytes
    • H01G11/58—Liquid electrolytes
    • H01G11/60—Liquid electrolytes characterised by the solvent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/54—Electrolytes
    • H01G11/58—Liquid electrolytes
    • H01G11/62—Liquid electrolytes characterised by the solute, e.g. salts, anions or cations therein
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/54—Electrolytes
    • H01G11/58—Liquid electrolytes
    • H01G11/64—Liquid electrolytes characterised by additives
    • 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
    • H01M10/056—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
    • 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
    • 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
    • H01M6/166—Cells with non-aqueous electrolyte with organic electrolyte characterised by the electrolyte by the solute
    • 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
    • H01M6/22—Immobilising of electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/04—Hybrid capacitors
    • H01G11/06—Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
    • H01G11/52—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
    • H01M2300/0025—Organic electrolyte
    • 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
    • H01M2300/0085—Immobilising or gelification of electrolyte
    • 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
    • H01M2300/0088—Composites
    • H01M2300/0091—Composites in the form of mixtures
    • 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

Definitions

  • the present invention relates to an electrolyte comprising a non-aqueous solvent, silica, at least one ionically conducting salt and additives, which can be used in primary or secondary batteries, in supercapacitors, in electro-chromic displays or in solar cells.
  • Liquid electrolytes are applied in most commercial batteries. They are
  • liquid electrolytes comprise at least one ionically conducting salt and a non-aqueous solvent.
  • Main advantages of liquid electrolytes are high ionic conductivity and good wetting of the electrode surface. Safety issues, related to the potential leakage of the liquid electrolyte in case of damage to the battery, are however a drawback generally attributed to the use of liquid electrolytes.
  • EP1505680A2 discloses a non-aqueous electrolyte
  • an ionically conducting salt comprising an ionically conducting salt, a non-aqueous, anhydrous solvent and an oxide, such as S1O2, having an average particle size lower than 5 pm, the oxide being present in the electrolyte in an amount from 20 to 50 vol% (that is, above 44% by weight in the case of S1O2).
  • WO2018/041709A1 discloses a solid-liquid electrolyte in the form of a gel which comprises at least one ionically conducting salt, at least one organic carbonate-based solvent, and precipitated silica.
  • the addition of precipitated silica to a liquid electrolyte results in a gel which is stable over time, without the coarsening effect that is encountered when other types of silica are used.
  • liquid electrolyte compositions containing certain silicas can be conveniently used in the preparation of batteries having high thermal and puncture resistance.
  • FIG. 1 shows a schematic illustration of a pouch cell.
  • FIG. 2 shows the results of electrochemical test (voltage vs time) of pouch cells.
  • FIG. 3 shows the results of electrochemical test (capacity vs cycle
  • FIG. 4 shows the results of thermal exposure test (voltage and cell
  • FIG. 5 shows the results of nail penetration test (voltage and cell
  • a first object of the present invention is an electrolyte composition
  • carbonate-based solvent in a concentration between 0.5 and 5.0 molar, more preferably between 0.8 and 1.5 molar, still more preferably a concentration of 1.0 molar.
  • Preferred cyclic carbonates include cyclic alkylene carbonates, e.g.
  • DEC diethylcarbonate
  • EMC ethylmethylcarbonate
  • fluorinated acyclic carbonates such as those represented by the formula:
  • the mixture of at least one acyclic carbonate and at least one unsaturated cyclic carbonate comprises the at least one unsaturated cyclic carbonate and the at least one acyclic carbonate in a ratio from 1 :4 to 1 :1 by volume, more preferably of from 1 :2.5 to 1 :1 by volume, still more preferably of 1 :1 by volume.
  • An advantageous combination of ionically conducting salt and organic carbonate-based solvent may for instance be a 1 molar solution of LiPF 6 in EC:EMC 3:7 by volume.
  • the silica in the electrolyte composition is an amorphous silica.
  • silica is precipitated silica.
  • precipitated silica it is meant a silica that is typically prepared by precipitation from a solution containing silicate salts (such as sodium silicate), with an acidifying agent (such as sulfuric acid).
  • Precipitated silica used in the invention may be prepared by implementing the methods described in EP396450A, EP520862A, EP670813A,
  • a notable, non-limiting example of precipitated silica which could be used in the present invention is for instance Zeosil ® 161 MP, commercially available from Solvay.
  • composition of the invention is from 0.1 wt% to 20.0 wt%, relative to the total weight of the electrolyte composition.
  • silica used in the electrolyte of the present invention is precipitated silica, it is characterized by a BET specific surface area of from 100 to 450 m 2 /g.
  • the precipitated silica typically has a BET specific surface of at least 110 m 2 /g, in particular of at least 120 m 2 /g.
  • the BET specific surface generally is at most 300 m 2 /g, in particular at most 250 m 2 /g.
  • the precipitated silica has a CTAB specific surface of between 100 and 450 m 2 /g.
  • the CTAB specific surface is the external surface, which can be determined according to the standard NF ISO 5794-1 , Appendix G (June 2010).
  • the precipitated silica used in the present invention preferably exhibits a pH of between 6.3 and 8.0, more preferably of between 6.3 and 7.6.
  • lithium salts such as Li bis(trifluorosulphonyl)imide, lithium oxalyldifluoroborate;
  • the electrolyte composition may be prepared using any conventional
  • organic fibers mention may be made of cellulose or rayon fibers, carbon fibers, polyolefins fibers such as polyethylene or polypropylene fibers, poly(paraphenylene terephthalamide) fibers, polyethylene terephthalate fibers, polyimide fibers or any other polymer that can be fabricated in a fiber form.
  • the separator layer consists of a ceramic coated material.
  • polyolefin material refers to polyolefin-based porous membrane may be obtained from a polyolefin-based polymer, for example, polyethylene such as high-density polyethylene, linear low-density polyethylene, low-density polyethylene and ultra-high molecular weight polyethylene, polypropylene, polybutylene, polypentene or a mixture thereof.
  • polyethylene such as high-density polyethylene, linear low-density polyethylene, low-density polyethylene and ultra-high molecular weight polyethylene, polypropylene, polybutylene, polypentene or a mixture thereof.
  • Suitable compounds may be those of formula Li3- x M’ y M”2- y (J04)3 wherein 0 ⁇ x ⁇ 3, 0 ⁇ y ⁇ 2, M’ and M” are the same or different metals, at least one of which being a transition metal, JO4 is preferably PO4 which may be partially substituted with another oxyanion, wherein J is either S, V, Si, Nb, Mo or a combination thereof. Still more preferably, compound EA1 is a phosphate-based electro-active material of formula Li(Fe x Mni- x )P04 wherein 0 ⁇ x ⁇ 1 , wherein x is preferably 1 (that is to say, lithium iron phosphate of formula LiFeP04).
  • electrolyte composition of the present invention significantly improves the safety of the battery by increasing the resistance of the inventive batteries during nail penetration tests, which are designed to simulate internal shorts in the battery.
  • Particle size determination The median particle size was determined by laser diffraction using a LS 13 320 (Beckman Coulter, USA) particle sizer on a suspension in water.
  • the analysis protocol includes a first full deagglomeration of the precipitated silica sample to be carried out before the laser diffraction determination The full deagglomeration of the precipitated silica sample was carried out until median particle size variation between two consecutive analyses is inferior to 5%:
  • Time to reach a stable median particle size with such protocol is typically around one hundred seconds.
  • Ceramic coated separator (CCS) SC1222-812401 manufactured by W- scope (Japan) and having thickness of 16 pm a porosity of about 40% to 50%.
  • NCM622 LiNio . 6Coo . 2Mno . 2O2 , manufactured by L&F, South Korea
  • Solef ® 5130 PVDF binder, manufactured by Solvay Specialty Polymers BTR918-2: Natural graphite manufactured by BTR, China
  • SBR/CMC styrene-butadiene rubber/carboxymethyl cellulose binder
  • Reference electrolyte The reference electrolyte (0 wt% precipitated silica) was prepared by simple mixing using a magnetic stirrer. All components were added to one bottle and were mixed until providing a transparent solution. Firstly, lithium hexafluorophosphate (LiPFe) was dissolved in the solvent. The solvent was composed of ethylene carbonate (EC) and ethyl methyl carbonate (EMC) in a 3:7 v/v ratio and 2 wt% vinylene carbonate (VC), then 0.5 wt% 1 ,3-propane sultone (PS) was added as an additive.
  • EC ethylene carbonate
  • EMC ethyl methyl carbonate
  • PS 0.5 wt% 1 ,3-propane sultone
  • Inventive electrolyte composition All required components were added to one bottle and were mixed by hand shaking until obtaining a uniform dispersion. The precipitated silica was dried and added to the liquid electrolyte in an inert atmosphere, so as to avoid traces of water in the final product. The bottle was sealed by Parafilm ® M (Bemis).
  • Viscosity of the electrolyte compositions was measured using a Malvern Kinexus ultra+ rheometer (KNX2310 with CP1/60 SR2752 spindle) at 25°C under a shear rate of 1 s 1 .
  • An assembly for a pouch cell comprising a negative electrode, a positive electrode and a separator layer comprising ceramic coated material disposed between the positive and the negative electrode, configured as schematized in FIG. 1 , was prepared.
  • Negative electrode formulation BTR918-2 + Super-P® + SBR/CMC (97:1 :1 :1 by weight); electrode loading: 6.8 mg/cm 2 .
  • Electrolyte A or B were injected in the pouch cell using a syringe and sealed under vacuum.
  • a reference pouch-cell lithium-ion battery having the same electrodes configuration but using the reference liquid electrolyte defined in Table 1 was also prepared (Reference 1).
  • Battery A and B and Reference 1 were subjected to a formation step to form a solid electrolyte interphase between the electrolyte and the surface of the negative electrode. They were charged at a C-rate of C/10 for 3 hours at 25°C.
  • Battery A and B and Reference 1 were also subjected to a nail penetration test performed according to DOE SAND 2005-3123 Battery standards procedures using a nail speed of 8 cm/s and a bar diameter of 3 mm.
  • Battery Reference 1 showed flame and fire during nail penetration test and hazard level was rated as 5 in a scale from 0 (no effect of nail penetration, no loss of battery functionality) to 7 (explosion, disintegration of the cell).
  • Battery A showed spark but no fire during the test and hazard level was rated 4.
  • Battery B showed no smoke and no leakage during the test and hazard level was rated as 2.
  • Nail penetration performance was significantly improved for the batteries containing the electrolyte composition of the invention.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Power Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)
EP20701772.4A 2019-02-01 2020-01-29 Elektrolyt Withdrawn EP3918656A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP19305120.8A EP3691015A1 (de) 2019-02-01 2019-02-01 Elektrolyt
PCT/EP2020/052078 WO2020157085A1 (en) 2019-02-01 2020-01-29 Electrolyte

Publications (1)

Publication Number Publication Date
EP3918656A1 true EP3918656A1 (de) 2021-12-08

Family

ID=65494067

Family Applications (2)

Application Number Title Priority Date Filing Date
EP19305120.8A Withdrawn EP3691015A1 (de) 2019-02-01 2019-02-01 Elektrolyt
EP20701772.4A Withdrawn EP3918656A1 (de) 2019-02-01 2020-01-29 Elektrolyt

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP19305120.8A Withdrawn EP3691015A1 (de) 2019-02-01 2019-02-01 Elektrolyt

Country Status (3)

Country Link
EP (2) EP3691015A1 (de)
CN (1) CN113678291A (de)
WO (1) WO2020157085A1 (de)

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2646673B1 (fr) 1989-05-02 1991-09-06 Rhone Poulenc Chimie Silice sous forme de bille, procede de preparation et son utilisation au renforcement des elastomeres
FR2678259B1 (fr) 1991-06-26 1993-11-05 Rhone Poulenc Chimie Nouvelles silices precipitees sous forme de granules ou de poudres, procedes de synthese et utilisation au renforcement des elastomeres.
EP0670813B1 (de) 1993-09-29 2003-03-12 Rhodia Chimie Fällungskieselsäure
FR2710630B1 (fr) 1993-09-29 1995-12-29 Rhone Poulenc Chimie Nouvelles silices précipitées, leur procédé de préparation et leur utilisation au renforcement des élastomères.
FR2732328B1 (fr) 1995-03-29 1997-06-20 Rhone Poulenc Chimie Nouveau procede de preparation de silice precipitee, nouvelles silices precipitees contenant de l'aluminium et leur utilisation au renforcement des elastomeres
FR2732329B1 (fr) 1995-03-29 1997-06-20 Rhone Poulenc Chimie Nouveau procede de preparation de silice precipitee, nouvelles silices precipitees contenant de l'aluminium et leur utilisation au renforcement des elastomeres
FR2763581B1 (fr) 1997-05-26 1999-07-23 Rhodia Chimie Sa Silice precipitee utilisable comme charge renforcante pour elastomeres
US6203944B1 (en) 1998-03-26 2001-03-20 3M Innovative Properties Company Electrode for a lithium battery
US6255017B1 (en) 1998-07-10 2001-07-03 3M Innovative Properties Co. Electrode material and compositions including same
FR2818966B1 (fr) 2000-12-28 2003-03-07 Rhodia Chimie Sa Procede de preparation de silice precipitee contenant de l'aluminium
PT1419106T (pt) 2001-08-13 2016-12-27 Rhodia Chimie Sa Processo de preparação de sílicas, sílicas com distribuição granulométrica e/ou repartição porosa específicas e suas utilizações, em particular no reforço de polímeros
US20040043295A1 (en) * 2002-08-21 2004-03-04 Rafael Rodriguez Rechargeable composite polymer battery
EP1505680B1 (de) 2003-08-08 2008-12-03 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. Nicht-wässriger Elektrolyt und eine Batterie, ein Superkondensator, eine elektrochromische Vorrichtung und eine Solarzelle enthaltend einen solchen Elektrolyt
FR2902781B1 (fr) 2006-06-27 2008-09-05 Rhodia Recherches Et Technologies Sas Silice precipitee pour application papier
FR2928363B1 (fr) 2008-03-10 2012-08-31 Rhodia Operations Nouveau procede de preparation de silices precipitees, silices precipitees a morphologie, granulometrie et porosite particulieres et leurs utilisations, notamment pour le renforcement de polymeres
FR2957914B1 (fr) 2010-03-25 2015-05-15 Rhodia Operations Nouveau procede de preparation de silices precipitees contenant de l'aluminium
FR2985993B1 (fr) 2012-01-25 2014-11-28 Rhodia Operations Nouveau procede de preparation de silices precipitees
FR2988385B1 (fr) 2012-03-22 2014-05-09 Rhodia Operations Procede de preparation de silice precipitee comprenant une etape de concentration membranaire
WO2016063838A1 (ja) * 2014-10-21 2016-04-28 日本電気株式会社 二次電池およびその製造方法
PL3507850T3 (pl) 2016-08-30 2021-01-25 Rhodia Operations Elektrolit stało-ciekły do stosowania w akumulatorze

Also Published As

Publication number Publication date
WO2020157085A1 (en) 2020-08-06
WO2020157085A9 (en) 2021-11-25
EP3691015A1 (de) 2020-08-05
CN113678291A (zh) 2021-11-19

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