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An Electrode Comprising Insulation Layer With High Mechanical Strength And Preparation Thereof

Abstract: ABSTRACT AN ELECTRODE COMPRISING INSULATION LAYER WITH HIGH MECHANICAL-STRENGTH AND PREPARATION THEREOF The present disclosure provides an electrode (100) comprising an insulation layer (101), a current collector (102), and an electrodic film (103), wherein the insulation layer comprises a ceramic material and a first binder; wherein the electrodic film comprises an active material, a conductive additive, and a second binder; and wherein the current collector (102) is coated with the insulation layer (101) on a first portion of the current collector and with the electrodic film (103) on a second portion of the current collector. The present disclosure further provides a battery and electrochemical cell comprising the electrode.

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Patent Information

Application #
Filing Date
09 February 2024
Publication Number
10/2024
Publication Type
INA
Invention Field
CHEMICAL
Status
Email
Parent Application

Applicants

OLA ELECTRIC MOBILITY LIMITED
Regent Insignia, #414, 3rd Floor, 4th Block, 17th Main, 100 Feet Road, Koramangala, Bangalore, Karnataka 560034, India

Inventors

1. GANESAN, Murugesan
OLA ELECTRIC MOBILITY LIMITED Regent Insignia, #414, 3rd Floor, 4th Block, 17th Main, 100 Feet Road, Koramangala, Bengaluru, Karnataka 560034, India
2. HARSHAVARDHANA, Sandeep
OLA ELECTRIC MOBILITY LIMITED Regent Insignia, #414, 3rd Floor, 4th Block, 17th Main, 100 Feet Road, Koramangala, Bengaluru, Karnataka 560034, India
3. SINGH, Shivani
Flat Number 1144, wing 1, Sobha Silicon Oasis, Hosa Road, Bengaluru, Karnataka 560100, India
4. LOBO, Laurel Simon
OLA ELECTRIC MOBILITY LIMITED Regent Insignia, #414, 3rd Floor, 4th Block, 17th Main, 100 Feet Road, Koramangala, Bengaluru, Karnataka 560034, India

Specification

Description:AS ATTACHED , Claims:AS ATTACHED

I/We Claim:
1. An electrode (100) comprising:
a. an insulation layer (101);
b. a current collector (102); and c. an electrodic film (103);
wherein the insulation layer comprises a ceramic material selected from
boehmite, silica, alumina, zirconium oxide or combinations thereof, and a
first binder;
wherein the electrodic film comprises an active material, a conductive
additive, and a second binder; and
wherein the current collector (102) is coated with the insulation layer (101)
on a first portion of the current collector and with the electrodic film (103)
on a second portion of the current collector.
2. The electrode as claimed in claim 1, wherein the ceramic material is in a
weight range of 60 to 90 %, with respect to the total weight of the insulation
layer.
3. The electrode as claimed in claim 1, wherein the first binder is selected from
polyvinylidene fluoride (PVDF), vinylidene fluoride (VDF),
poly(vinylidene-co-hexafluoropropylene) (PVDF-HFP), polyacrylonitrile
(PAN), polyamides or combinations thereof.
4. The electrode as claimed in claim 1, wherein the first binder has a solid
content in a range of 4 to 10 %, with respect to the total weight of the
insulation layer.
5. The electrode as claimed in claim 1, wherein the active material is selected
from layered oxides, nickel manganese cobalt (NMC), nickel cobalt
aluminium (NCA), lithium iron phosphate (LFP), lithium manganese iron
phosphate (LMFP), or combinations thereof.
6. The electrode as claimed in claim 1, wherein the active material is in a
weight range of 95 to 98%, with respect to the total weight of the electrodic
30 film.

7. The electrode as claimed in claim 1, wherein the conductive additive is
selected from carbon black, graphene, mesoporous carbon, acetylene black,
activated carbon, super P, carbon nanofiber, vapour grown carbon nanofiber,
carbon nanotube, or combinations thereof.
8. The electrode as claimed in claim 1, wherein the conductive additive is in a
weight range of 1 to 4%, with respect to the total weight of the electrodic
film.
9. The electrode as claimed in claim 1, wherein the second binder is selected
from polytetrafluoroethylene, polyvinylidene fluoride, polyethylene oxide,
fluoroethylene vinyl ether (FEVE), fluoroethylene polymer (FEP), or
combinations thereof.
10. The electrode as claimed in claim 1, wherein the second binder is in a weight
range of 0.1 to 3%, with respect to the total weight of the electrodic film.

Documents

Application Documents

# Name Date
1 202441008997-STATEMENT OF UNDERTAKING (FORM 3) [09-02-2024(online)].pdf 2024-02-09
2 202441008997-REQUEST FOR EXAMINATION (FORM-18) [09-02-2024(online)].pdf 2024-02-09
3 202441008997-REQUEST FOR EARLY PUBLICATION(FORM-9) [09-02-2024(online)].pdf 2024-02-09
4 202441008997-POWER OF AUTHORITY [09-02-2024(online)].pdf 2024-02-09
5 202441008997-FORM-9 [09-02-2024(online)].pdf 2024-02-09
6 202441008997-FORM 18 [09-02-2024(online)].pdf 2024-02-09
7 202441008997-FORM 1 [09-02-2024(online)].pdf 2024-02-09
8 202441008997-DRAWINGS [09-02-2024(online)].pdf 2024-02-09
9 202441008997-DECLARATION OF INVENTORSHIP (FORM 5) [09-02-2024(online)].pdf 2024-02-09
10 202441008997-COMPLETE SPECIFICATION [09-02-2024(online)].pdf 2024-02-09
11 202441008997-FORM-8 [14-02-2024(online)].pdf 2024-02-14
12 202441008997-Proof of Right [24-07-2024(online)].pdf 2024-07-24
13 202441008997-FER.pdf 2025-11-17

Search Strategy

1 202441008997_SearchStrategyNew_E_SearchHistory(3)E_03-10-2025.pdf