Global Patent Index - EP 2583345 A1

EP 2583345 A1 20130424 - LITHIUM ELECTROCHEMICAL ACCUMULATOR HAVING A BIPOLAR ARCHITECTURE AND COMPRISING A SPECIFIC ELECTROLYTE ADDITIVE

Title (en)

LITHIUM ELECTROCHEMICAL ACCUMULATOR HAVING A BIPOLAR ARCHITECTURE AND COMPRISING A SPECIFIC ELECTROLYTE ADDITIVE

Title (de)

ELEKTROCHEMISCHER LITHIUMAKKUMULATOR MIT EINER BIPOLAREN ARCHITEKTUR UND MIT EINEM SPEZIFISCHEN ELEKTROLYTADDITIV

Title (fr)

ACCUMULATEUR ELECTROCHIMIQUE AU LITHIUM A ARCHITECTURE BIPOLAIRE COMPRENANT UN ADDITIF D'ELECTROLYTE SPECIFIQUE

Publication

EP 2583345 A1 20130424 (FR)

Application

EP 11725460 A 20110615

Priority

  • FR 1054817 A 20100617
  • EP 2011059969 W 20110615

Abstract (en)

[origin: WO2011157765A1] The invention relates to a lithium electrochemical accumulator comprising a stack of at least two electrochemical cells, each cell being separated from the adjacent cell by a current collecting substrate. A first face of the aforementioned substrate is occupied by an electrode of a cell, while a second face, opposite the first, is occupied by an electrode of the adjacent cell, each cell comprising a positive electrode and a negative electrode separated by an electrolyte. The invention is characterised in that the electrolyte comprises a lithium polysulphide additive.

IPC 8 full level

H01M 10/0567 (2010.01); H01M 4/485 (2010.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/58 (2010.01); H01M 10/052 (2010.01); H01M 10/0525 (2010.01)

CPC (source: EP US)

H01M 4/485 (2013.01 - EP US); H01M 4/505 (2013.01 - EP US); H01M 4/525 (2013.01 - EP US); H01M 4/5825 (2013.01 - EP US); H01M 10/052 (2013.01 - EP US); H01M 10/0525 (2013.01 - EP US); H01M 10/056 (2013.01 - US); H01M 10/0567 (2013.01 - EP US); Y02E 60/10 (2013.01 - EP US); Y02T 10/70 (2013.01 - US)

Citation (search report)

See references of WO 2011157765A1

Citation (examination)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

WO 2011157765 A1 20111222; EP 2583345 A1 20130424; FR 2961639 A1 20111223; FR 2961639 B1 20121221; US 2013108913 A1 20130502; US 9337508 B2 20160510

DOCDB simple family (application)

EP 2011059969 W 20110615; EP 11725460 A 20110615; FR 1054817 A 20100617; US 201113704607 A 20110615