Gotion, Inc.

Westfalische Wilhelms-Universität Münster

Basf Se Corporation

Jacobs University Bremen Ggmbh

Rene Schmitz

Martin Winter

Michael Schmidt

Arnd Garsuch

Stefano Passerini

Nicole Holub

Gerd-Volker Röschenthaler

Nataliya Kalinovich

Raphael Wilhelm Schmitz

Miriam Kunze

Katja Vlasov

Christian Schreiner Schreiner

Alexandra Lex-Balducci

Diana Fuerst

Lucas Montag

Frederick Francois Chesneau

Karolin Geyer

Ingo Krossing

Guenter Semrau

Tanja Schedlbauer

Ansgar Romek Müller

Romek Ansgar Müller

Mario Schleep

Elisabeth Kramer

Takeru Yamamoto

Philipp Eiden

Stefanie Reininger

Caroline Gollub

Heike Heiler

Kristin Schroeder

An electrolyte composition and an electrochemical cell including the electrolyte composition are disclosed, including: at least one aprotic organic solvent; at least one conducting salt; methyl-2-methyl-1,3-dioxolane-2-carboxylate; and optionally one or more additives. A use of methyl-2-methyl-1,3-dioxolane-2-carboxylate in an electrolyte composition for electrochemical cells is disclosed. An electrochemical cell is also disclosed, in which the electrochemical cell is a lithium battery.

Electrolyte composition containing methyl 2-methyl-1,3-dioxolane-2-carboxylate, and electrochemical cells comprising the same

An electrolyte composition and an electrochemical cell that includes the electrolyte composition are included. The electrolyte composition includes: at least one aprotic organic solvent; at least one conducting salt; methylphosphonoyloxymethane; and optionally one or more additives. The use of methylphosphonoyloxymethane in an electrolyte composition for electrochemical cells is also included.

Methylphosphonoyloxymethane as electrolyte component

The invention relates to an electrolyte composition containing at least one compound of (I) wherein Ris selected from Cto Calkyl, and Ris selected from O(Cto Calkyl), OC(O)(Cto Calkyl), OC(O)O(Cto Calkyl), OS(O)2(Cto Calkyl) and S(O)O(Cto Calkyl), wherein Cto Calkyl may be substituted by one or more F and wherein one or more CH&#x2014; groups of Cto Calkyl which are not bound directly to O may be replaced by O. 

Alkylbenzoate derivatives as electrolyte additive for lithium based batteries

The invention relates to an electrolyte composition containing (i) at least one aprotic polar organic solvent having a flash point above 80&#xb0; C. and a dielectric constant above 10 at 25&#xb0; C.; (ii) at least one flame retardant and/or non-flammable solvent; (iii) at least one compound of formula (I) R&#x2014;O(O)C&#x2014;(CH)&#x2014;C(O)O&#x2014;R(I) wherein Rand Rare independently from each other selected from C-Calkyl and n is 1, 2 or 3; (iv) at least one conducting salt; (v) at least one aprotic organic solvent having a dynamic viscosity below 1 mPa s at 25&#xb0; C.; and (vi) optionally one or more additives.

Electrolyte compositions containing esters of dicarboxylic acids

The invention relates to an electrolyte, comprising at least one lithium salt, a solvent, and at least one compound according to general formula (1). The invention further relates to lithium-based energy stores comprising such an electrolyte.

Electrolyte for lithium-based energy stores

An electrolyte composition containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) acetic acid 2-[(methoxycarbonyl)oxy] methyl ester; and (vi) optionally one or more additives.

Acetic acid 2-[(methoxycarbonyl)oxy] methyl ester as electrolyte component

The present invention relates to an electrolyte composition for lithium ion batteries which improves overcharge protection. In particular the present invention relates to an electrolyte composition comprising (a) a compound of general formula (I) and (b) at least two compounds of general formula (II) which are different from each other formula (II) with the definitions given in the description. 

Overcharge protection electrolyte additive for lithium ion batteries

Use of a compound of formula (I) wherein Rand Rare selected independently from each other from C1-C10 alkyl, which may be substituted by one or more F, or wherein Rand Rare linked and jointly selected from C2-C3 alkanediyl forming together with the group &#x2014;OPO&#x2014;a five- or six-membered heterocycle which may be substituted by one or more substituents selected from F and optionally fluorinated C-Calkyl, as gelling agent in an aprotic organic solvent or solvent mixture. 

Inorganic coordination polymers as gelling agents

The invention relates to lithium 1-trifluoromethoxy-1,2,2,2-tetra-fluoroethanesulphonate, the use of lithium 1-trifluoromethoxy-1,2,2,2-tetra-fluoroethanesulphonate as electrolyte salt in lithium-based energy stores and also ionic liquids comprising 1-trifluoro-methoxy-1,2,2,2-tetrafluoro-ethanesulphonate as anion.

Electrolyte salt for lithium-based energy stores

The invention relates to lithium-2-methoxy-1,1,2,2-tetrafluoro-ethanesulfonate, to the use thereof as conductive salt in lithium-based energy accumulators, and ionic liquids comprising 2-methoxy-1,1,2,2-tetrafluoro-ethanesulfonate as an anion.

Lithium-2-methoxy-1,1,2,2-tetrafluoro-ethanesulfonate and use thereof as conductive salt in lithium-based energy accumulators

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Stuttgart, Germany

Rene Schmitz