EP 4313591 A1 20240207 - BIODEGRADABLE ELECTROCHEMICAL DEVICE WITH BARRIER LAYER
Title (en)
BIODEGRADABLE ELECTROCHEMICAL DEVICE WITH BARRIER LAYER
Title (de)
BIOLOGISCH ABBAUBARE ELEKTROCHEMISCHE VORRICHTUNG MIT BARRIERESCHICHT
Title (fr)
DISPOSITIF ÉLECTROCHIMIQUE BIODÉGRADABLE AVEC COUCHE-BARRIÈRE
Publication
Application
Priority
- US 202163168380 P 20210331
- US 2022022475 W 20220330
Abstract (en)
[origin: WO2022212454A1] An electrochemical device is disclosed and may include an electrolyte composition disposed between the anode and the cathode and a water vapor barrier which may include a biodegradable material, where the water vapor barrier is disposed to prevent water vapor escaping from the electrochemical device. The water vapor barrier further may include polylactic acid or a metalized coating. The water vapor barrier further may further include multiple layers and have a water vapor transmission rate (WVTR) less than or equal to 2 wt % over 24 hours. Embodiments of the water vapor barrier may also include a polymeric biodegradable material or a metalized coating disposed onto the biodegradable material. The water vapor barrier may also include multiple layers and may have a water vapor transmission rate (WVTR) less than or equal to 1 mg per cm2 over 24 hours.
IPC 8 full level
B32B 27/32 (2006.01); H01M 50/103 (2021.01); H01M 50/105 (2021.01); H01M 50/119 (2021.01); H01M 50/121 (2021.01); H01M 50/122 (2021.01); H01M 50/124 (2021.01); H01M 50/126 (2021.01); H01M 50/128 (2021.01); H01M 50/129 (2021.01); H01M 50/141 (2021.01)
CPC (source: EP)
B32B 15/08 (2013.01); B32B 15/20 (2013.01); B32B 27/08 (2013.01); B32B 27/36 (2013.01); H01M 50/105 (2021.01); H01M 50/119 (2021.01); H01M 50/121 (2021.01); H01M 50/124 (2021.01); H01M 50/126 (2021.01); H01M 50/131 (2021.01); H01M 50/136 (2021.01); B32B 2255/10 (2013.01); B32B 2255/205 (2013.01); B32B 2307/7163 (2013.01); B32B 2307/7246 (2013.01); B32B 2457/00 (2013.01); H01M 2300/0085 (2013.01); Y02E 60/10 (2013.01)
Citation (search report)
See references of WO 2022212454A1
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)
WO 2022212454 A1 20221006; CA 3213871 A1 20221006; CN 117157196 A 20231201; EP 4313591 A1 20240207; JP 2024512955 A 20240321
DOCDB simple family (application)
US 2022022475 W 20220330; CA 3213871 A 20220330; CN 202280026314 A 20220330; EP 22719072 A 20220330; JP 2023558628 A 20220330