EP 4158709 A1 20230405 - BIPOLAR SURFACE ELEMENT
Title (en)
BIPOLAR SURFACE ELEMENT
Title (de)
BIPOLARFLACHELEMENT
Title (fr)
ÉLÉMENT PLAT BIPOLAIRE
Publication
Application
Priority
- DE 102020206774 A 20200529
- EP 2021064102 W 20210526
Abstract (en)
[origin: WO2021239840A1] The present invention relates to a bipolar surface element comprising a layer that contains graphite expandate and a binder, the layer being applied to at least one of the two main surfaces of a flat, electrically conductive element.
IPC 8 full level
H01M 8/0206 (2016.01); H01M 8/0213 (2016.01); H01M 8/0228 (2016.01); H01M 8/18 (2006.01)
CPC (source: EP KR US)
H01M 8/0206 (2013.01 - EP KR); H01M 8/0213 (2013.01 - EP KR); H01M 8/0228 (2013.01 - EP KR); H01M 8/0232 (2013.01 - US); H01M 8/0234 (2013.01 - US); H01M 8/0239 (2013.01 - US); H01M 8/0245 (2013.01 - US); H01M 8/188 (2013.01 - US); H01M 8/18 (2013.01 - EP); H01M 8/188 (2013.01 - KR); H01M 2008/1095 (2013.01 - US); Y02E 60/50 (2013.01 - EP)
Citation (search report)
See references of WO 2021239840A1
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
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
DE 102020206774 A1 20211202; EP 4158709 A1 20230405; JP 2023527220 A 20230627; KR 20230009955 A 20230117; US 2023207837 A1 20230629; WO 2021239840 A1 20211202
DOCDB simple family (application)
DE 102020206774 A 20200529; EP 2021064102 W 20210526; EP 21730488 A 20210526; JP 2022573346 A 20210526; KR 20227043308 A 20210526; US 202117928409 A 20210526