IP Library › Granted Patent US 12,719,060
Granted Patent B2
US 12,719,060 · App. 17/535,690 · Granted Aug 25, 2026

Negative electrode current collector, negative electrode plate, electrochemical device, and apparatus

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Quick Facts
Patent No.
US 12,719,060
App. No.
17/535,690
Filed
Nov 26, 2021
Granted
Aug 25, 2026
Kind
B2
Art Unit
1725
USPC
429/245
Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 6, 2024
From: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
To: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
Reel/Frame 068338/0402 →
Priority Claims (1)
CN 201910469957.3 · May 31, 2019 · national
Continuity (2)
Continuation PCTCN2019125148 · Dec 13, 2019
Related Publication 20220085383A1 · Mar 17, 2022
References Cited (105)
US 6235427B1 · Idota et al. · 2001 [cited by applicant]
US 10910652B2 · Liang · 2021 [cited by examiner]
US 11177479B2 · Liang · 2021 [cited by examiner]
US 12051811B2 · Li et al. · 2024 [cited by applicant]
US 12148932B2 · Li et al. · 2024 [cited by applicant]
US 20040126663A1 · Sudano · 2004 [cited by examiner]
US 20050221190A1 · Sudano et al. · 2005 [cited by applicant]
US 20080118830A1 · Lee · 2008 [cited by examiner]
US 20110111294A1 · Lopez et al. · 2011 [cited by applicant]
US 20110287322A1 · Moon et al. · 2011 [cited by applicant]
US 20130115510A1 · Tani et al. · 2013 [cited by applicant]
US 20150303450A1 · Miki et al. · 2015 [cited by applicant]
US 20160276653A1 · Seki et al. · 2016 [cited by applicant]
US 20180301709A1 · Qiu · 2018 [cited by examiner]
US 20190173090A1 · Liang et al. · 2019 [cited by applicant]
US 20190305299A1 · Zhang et al. · 2019 [cited by applicant]
US 20190363344A1 · Shen et al. · 2019 [cited by applicant]
US 20210075003A1 · Yasuda et al. · 2021 [cited by applicant]
US 20220085384A1 · Liu · 2022 [cited by examiner]
US 20220209226A1 · Li · 2022 [cited by examiner]
US 20240113288A1 · Li et al. · 2024 [cited by applicant]
CN 1591932A · 2005 [cited by applicant]
CN 101207186A · 2008 [cited by applicant]
CN 103384012A · 2013 [cited by applicant]
CN 103429628A · 2013 [cited by applicant]
CN 103907226A · 2014 [cited by applicant]
CN 204088469U · 2015 [cited by applicant]
CN 105845978A · 2016 [cited by applicant]
CN 106654285A · 2017 [cited by applicant]
CN 106711462A · 2017 [cited by applicant]
CN 106910897A · 2017 [cited by applicant]
CN 106981665A · 2017 [cited by examiner]
CN 107123812A · 2017 [cited by applicant]
CN 107221676A · 2017 [cited by applicant]
CN 206849947U · 2018 [cited by applicant]
CN 108155387A · 2018 [cited by applicant]
CN 108281662A · 2018 [cited by applicant]
CN 108832134A · 2018 [cited by applicant]
CN 108844878A · 2018 [cited by applicant]
CN 109216703A · 2019 [cited by applicant]
CN 109461880A · 2019 [cited by applicant]
CN 109830688A · 2019 [cited by applicant]
CN 109873164A · 2019 [cited by applicant]
CN 109873166A · 2019 [cited by applicant]
CN 110890531A · 2020 [cited by applicant]
CN 110943222A · 2020 [cited by applicant]
CN 110943227A · 2020 [cited by applicant]
EP 2924772A1 · 2015 [cited by applicant]
EP 3346522A1 · 2018 [cited by applicant]
EP 3496190A1 · 2019 [cited by applicant]
EP 3624240A1 · 2020 [cited by applicant]
EP 3951956A1 · 2022 [cited by applicant]
JP 09120818A · 1997 [cited by applicant]
JP 11149008A · 1999 [cited by applicant]
JP 2001297633A · 2001 [cited by applicant]
JP 2002059362A · 2002 [cited by applicant]
JP 2004103475A · 2004 [cited by applicant]
JP 2004273132A · 2004 [cited by applicant]
JP 2005100959A · 2005 [cited by applicant]
JP 2006012998A · 2006 [cited by applicant]
JP 2006512722A · 2006 [cited by applicant]
JP 2007217598A · 2007 [cited by applicant]
JP 2008140552A · 2008 [cited by applicant]
JP 2011068727A · 2011 [cited by applicant]
JP 2011079284A · 2011 [cited by applicant]
JP 2015185407A · 2015 [cited by applicant]
JP 2016121308A · 2016 [cited by applicant]
JP 2018181823A · 2018 [cited by applicant]
JP 2019102429A · 2019 [cited by applicant]
JP 2020047577A · 2020 [cited by applicant]
KR 100669338B1 · 2007 [cited by applicant]
KR 20120019568A · 2012 [cited by applicant]
WO WO2009157263A1 · 2009 [cited by applicant]
WO WO2012127561A1 · 2012 [cited by applicant]
WO WO2018179111A1 · 2018 [cited by applicant]
Machine translation of Qiu, CN 106981665. Originally available Jul. 25, 2017. (Year: 2017). [cited by examiner]
The International search report for PCT Application No. PCT/CN2019/125148, dated Mar. 16, 2020, 14 pages. [cited by applicant]
The First Office Action for China Application No. 201910469957.3, dated Oct. 26, 2020, 9 pages. [cited by applicant]
The First Office Action for Chinese Application No. 202110560987.2, dated Oct. 25, 2023, 10 pages. [cited by applicant]
The Non-final Office Action for U.S. Appl. No. 17/536,103, dated Dec. 20, 2023, 20 pages. [cited by applicant]
The Extended European Search Report for European Application No. 19930724.0, dated May 10, 2020, 7 pages. [cited by applicant]
The Third Party Observations for Japanese Application No. 2021-556889, dated Sep. 20, 2022, 15 pages. [cited by applicant]
The Extended European Search Report for European Application No. 19930524.4, dated May 10, 2020, 8 pages. [cited by applicant]
The First Office Action for Chinese Application No. 201910471353.2, dated Oct. 10, 2020, 14 pages. [cited by applicant]
The Notice of Allowance for Chinese Application No. 201910471353.2, dated Mar. 29, 2021, 6 pages. [cited by applicant]
The First Office Action for Japanese Application No. 2021-556478, dated Oct. 3, 2022, 7 pages. [cited by applicant]
The International Search Report for PCT Application No. PCT/CN2019/125149, dated Mar. 12, 2020, 21 pages. [cited by applicant]
The First Office Action for Chinese Application No. 201910472007.6, dated Aug. 20, 2020, 16 pages. [cited by applicant]
The Second Office Action for Chinese Application No. 201910472007.6, dated Nov. 10, 2020, 16 pages. [cited by applicant]
The Notice of Allowance for Chinese Application No. 201910472007.6, dated Feb. 2, 2021, 6 pages. [cited by applicant]
The Extended European Search Report for European Application No. 19931131.7, dated Jul. 26, 2022, 8 pages. [cited by applicant]
The First Office Action for Indian Application No. 202117056343, dated Mar. 30, 2022, 7 pages. [cited by applicant]
The International Search Report for PCT Application No. PCT/CN2019/090412, dated Mar. 4, 2020, 15 pages. [cited by applicant]
The First Office Action for Japanese Application No. 2021-556889, dated Nov. 8, 2022, 9 pages. [cited by applicant]
The First Office Action for European Application No. 19930524.4, dated Jan. 3, 2023, 4 pages. [cited by applicant]
The First Office Action for European Application No. 19930724.0, dated Jan. 4, 2023, 7 pages. [cited by applicant]
The First Office Action for Japanese Application No. 2021-564148, dated Nov. 15, 2022, 7 pages. [cited by applicant]
The International search report for PCT Application No. PCT/CN2020/085424, dated Jan. 18, 2021, 13 pages. [cited by applicant]
The extended European search report for European Application No. 20930756.0, dated Jul. 25, 2022, 7 pages. [cited by applicant]
The First Office Action for U.S. Appl. No. 17/697,930, dated Dec. 6, 2023, 24 pages. [cited by applicant]
The Non-final Office Action for U.S. Appl. No. 17/537,520, dated Sep. 28, 2024, 37 pages. [cited by applicant]
The Final Office Action after 1st RCE for U.S. Appl. No. 17/697,930, dated Nov. 6, 2024, 16 pages. [cited by applicant]
The First Office Action for CN Application No. 202311325779.X, dated Aug. 23, 2025, 16 pages. [cited by applicant]
The Non-final Office Action after 2nd-RCE for U.S. Appl. No. 17/536,103, dated May 28, 2025, 26 pages. [cited by applicant]
The 2nd-Non-final Office Action after 2nd-RCE for U.S. Appl. No. 17/536,103, dated Sep. 16, 2025, 25 pages. [cited by applicant]