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Extract from the Register of European Patents

EP About this file: EP3835261

EP3835261 - SILICON-GRAPHITE COMPOSITE, PREPARATION METHOD THEREOF, AND LITHIUM BATTERY ANODE AND LITHIUM BATTERY CONTAINING SILICON-GRAPHITE COMPOSITE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  09.06.2023
Database last updated on 12.10.2024
FormerThe patent has been granted
Status updated on  01.07.2022
FormerGrant of patent is intended
Status updated on  11.05.2022
FormerRequest for examination was made
Status updated on  14.05.2021
Most recent event   Tooltip27.09.2024Lapse of the patent in a contracting state
New state(s): MT		published on 30.10.2024 [2024/44]
Applicant(s)For all designated states
CALB Technology Co., Ltd.
No.166 Kejiao Road, Jintan District
Changzhou City, Jiangsu Province / CN
For all designated states
CALB Co., Ltd.
No. 1 Jiangdong Road
Jintan District
Changzhou City, Jiangsu Province / CN
[2022/08]
Former [2021/24]For all designated states
CALB Technology Co., Ltd.
No.166 Kejiao Road, Jintan District
Changzhou City, Jiangsu Province / CN
For all designated states
CHINA LITHIUM BATTERY TECHNOLOGY CO., LIMITED
No. 66, Binhe North Road
High tech Development Zone
Luoyang City
Henan Province / CN
Inventor(s)01 / YE, Jianbo
Changzhou City, Jiangsu Province / CN
02 / SHAN, Xuyi
Changzhou City, Jiangsu Province / CN
03 / WANG, Zhimin
Changzhou City, Jiangsu Province / CN
 [2022/28]
Former [2021/24]01 / YE, Jianbo
No.166 Kejiao Road, Jintan District
Changzhou City, Jiangsu Province / CN
02 / SHAN, Xuyi
No.66 Binhe North Road, high tech Development
Zone
Luoyang City, Henan Province / CN
03 / WANG, Zhimin
No.66 Binhe North Road, high tech Development
Zone
Luoyang City, Henan Province / CN
Representative(s)Becker, Eberhard
Becker Kurig & Partner
Patentanwälte mbB
Bavariastraße 7
80336 München / DE
[2022/31]
Former [2021/24]Becker, Eberhard
Becker & Kurig Partnerschaft
Patentanwälte PartmbB
Bavariastrasse 7
80336 München / DE
Application number, filing date20194790.007.09.2020
[2021/24]
Priority number, dateCN20191127384412.12.2019         Original published format: CN201911273844
[2021/24]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP3835261
Date:16.06.2021
Language:EN
[2021/24]
Type: B1 Patent specification 
No.:EP3835261
Date:03.08.2022
Language:EN
[2022/31]
Search report(s)(Supplementary) European search report - dispatched on:EP07.12.2020
ClassificationIPC:C01B32/20, C01B32/21, H01M4/134, H01M4/36, H01M4/38, H01M4/587, H01M10/052
[2022/18]
CPC:
C01B32/21 (EP); H01M4/366 (EP,CN,US); C01B32/20 (EP);
C01B32/205 (CN); C01B33/021 (CN); H01M10/052 (EP,CN);
H01M10/0525 (US); H01M4/133 (EP,CN); H01M4/134 (EP,CN);
H01M4/364 (EP); H01M4/386 (EP,CN,US); H01M4/587 (EP,CN,US);
H01M4/625 (CN); H01M2004/021 (US); H01M2004/027 (US);
Y02E60/10 (EP) (-)
Former IPC [2021/24]C01B32/20, C01B32/21, H01M4/134, H01M4/36, H01M4/38, H01M4/587
Designated contracting statesAL,   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 [2021/24]
TitleGerman:SILICIUM-GRAPHIT-VERBUNDWERKSTOFF, HERSTELLUNGSVERFAHREN DAFÜR UND LITHIUMBATTERIEANODE UND LITHIUMBATTERIE MIT SILICIUM-GRAPHIT-VERBUNDWERKSTOFF[2021/24]
English:SILICON-GRAPHITE COMPOSITE, PREPARATION METHOD THEREOF, AND LITHIUM BATTERY ANODE AND LITHIUM BATTERY CONTAINING SILICON-GRAPHITE COMPOSITE[2021/24]
French:COMPOSITE DE SILICIUM/GRAPHITE, SON PROCÉDÉ DE PRÉPARATION ET ANODE DE BATTERIE AU LITHIUM ET BATTERIE AU LITHIUM CONTENANT UN COMPOSITE DE SILICIUM/GRAPHITE[2021/24]
Examination procedure07.09.2020Examination requested  [2021/24]
09.09.2021Amendment by applicant (claims and/or description)
12.05.2022Communication of intention to grant the patent
22.06.2022Fee for grant paid
22.06.2022Fee for publishing/printing paid
22.06.2022Receipt of the translation of the claim(s)
Opposition(s)04.05.2023No opposition filed within time limit [2023/28]
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Lapses during opposition  TooltipHU07.09.2020
AL03.08.2022
AT03.08.2022
BG03.08.2022
CY03.08.2022
CZ03.08.2022
DK03.08.2022
EE03.08.2022
ES03.08.2022
FI03.08.2022
HR03.08.2022
IT03.08.2022
LT03.08.2022
LV03.08.2022
MC03.08.2022
MK03.08.2022
MT03.08.2022
NL03.08.2022
PL03.08.2022
RO03.08.2022
RS03.08.2022
SE03.08.2022
SI03.08.2022
SK03.08.2022
SM03.08.2022
IE07.09.2022
LU07.09.2022
BE30.09.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
[2024/44]
Former [2024/34]HU07.09.2020
AL03.08.2022
AT03.08.2022
BG03.08.2022
CY03.08.2022
CZ03.08.2022
DK03.08.2022
EE03.08.2022
ES03.08.2022
FI03.08.2022
HR03.08.2022
IT03.08.2022
LT03.08.2022
LV03.08.2022
MC03.08.2022
MK03.08.2022
NL03.08.2022
PL03.08.2022
RO03.08.2022
RS03.08.2022
SE03.08.2022
SI03.08.2022
SK03.08.2022
SM03.08.2022
IE07.09.2022
LU07.09.2022
BE30.09.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
Former [2024/27]HU07.09.2020
AL03.08.2022
AT03.08.2022
CY03.08.2022
CZ03.08.2022
DK03.08.2022
EE03.08.2022
ES03.08.2022
FI03.08.2022
HR03.08.2022
IT03.08.2022
LT03.08.2022
LV03.08.2022
MC03.08.2022
MK03.08.2022
NL03.08.2022
PL03.08.2022
RO03.08.2022
RS03.08.2022
SE03.08.2022
SI03.08.2022
SK03.08.2022
SM03.08.2022
IE07.09.2022
LU07.09.2022
BE30.09.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
Former [2024/26]HU07.09.2020
AL03.08.2022
AT03.08.2022
CY03.08.2022
CZ03.08.2022
DK03.08.2022
EE03.08.2022
ES03.08.2022
FI03.08.2022
HR03.08.2022
IT03.08.2022
LT03.08.2022
LV03.08.2022
MC03.08.2022
NL03.08.2022
PL03.08.2022
RO03.08.2022
RS03.08.2022
SE03.08.2022
SI03.08.2022
SK03.08.2022
SM03.08.2022
IE07.09.2022
LU07.09.2022
BE30.09.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
Former [2024/21]AL03.08.2022
AT03.08.2022
CY03.08.2022
CZ03.08.2022
DK03.08.2022
EE03.08.2022
ES03.08.2022
FI03.08.2022
HR03.08.2022
LT03.08.2022
LV03.08.2022
MC03.08.2022
NL03.08.2022
PL03.08.2022
RO03.08.2022
RS03.08.2022
SE03.08.2022
SI03.08.2022
SK03.08.2022
SM03.08.2022
IE07.09.2022
LU07.09.2022
BE30.09.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
Former [2023/42]AL03.08.2022
AT03.08.2022
CZ03.08.2022
DK03.08.2022
EE03.08.2022
ES03.08.2022
FI03.08.2022
HR03.08.2022
LT03.08.2022
LV03.08.2022
MC03.08.2022
NL03.08.2022
PL03.08.2022
RO03.08.2022
RS03.08.2022
SE03.08.2022
SI03.08.2022
SK03.08.2022
SM03.08.2022
IE07.09.2022
LU07.09.2022
BE30.09.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
Former [2023/37]AL03.08.2022
AT03.08.2022
CZ03.08.2022
DK03.08.2022
EE03.08.2022
ES03.08.2022
FI03.08.2022
HR03.08.2022
LT03.08.2022
LV03.08.2022
MC03.08.2022
NL03.08.2022
PL03.08.2022
RO03.08.2022
RS03.08.2022
SE03.08.2022
SI03.08.2022
SK03.08.2022
SM03.08.2022
IE07.09.2022
LU07.09.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
Former [2023/33]AL03.08.2022
AT03.08.2022
CZ03.08.2022
DK03.08.2022
EE03.08.2022
ES03.08.2022
FI03.08.2022
HR03.08.2022
LT03.08.2022
LV03.08.2022
MC03.08.2022
NL03.08.2022
PL03.08.2022
RO03.08.2022
RS03.08.2022
SE03.08.2022
SK03.08.2022
SM03.08.2022
IE07.09.2022
LU07.09.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
Former [2023/30]AL03.08.2022
AT03.08.2022
CZ03.08.2022
DK03.08.2022
EE03.08.2022
ES03.08.2022
FI03.08.2022
HR03.08.2022
LT03.08.2022
LV03.08.2022
MC03.08.2022
NL03.08.2022
PL03.08.2022
RO03.08.2022
RS03.08.2022
SE03.08.2022
SK03.08.2022
SM03.08.2022
LU07.09.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
Former [2023/29]AL03.08.2022
AT03.08.2022
CZ03.08.2022
DK03.08.2022
EE03.08.2022
ES03.08.2022
FI03.08.2022
HR03.08.2022
LT03.08.2022
LV03.08.2022
MC03.08.2022
NL03.08.2022
PL03.08.2022
RO03.08.2022
RS03.08.2022
SE03.08.2022
SK03.08.2022
SM03.08.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
Former [2023/25]AT03.08.2022
CZ03.08.2022
DK03.08.2022
EE03.08.2022
ES03.08.2022
FI03.08.2022
HR03.08.2022
LT03.08.2022
LV03.08.2022
MC03.08.2022
NL03.08.2022
PL03.08.2022
RO03.08.2022
RS03.08.2022
SE03.08.2022
SK03.08.2022
SM03.08.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
Former [2023/23]AT03.08.2022
CZ03.08.2022
DK03.08.2022
EE03.08.2022
ES03.08.2022
FI03.08.2022
HR03.08.2022
LT03.08.2022
LV03.08.2022
NL03.08.2022
PL03.08.2022
RO03.08.2022
RS03.08.2022
SE03.08.2022
SK03.08.2022
SM03.08.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
Former [2023/22]AT03.08.2022
CZ03.08.2022
DK03.08.2022
ES03.08.2022
FI03.08.2022
HR03.08.2022
LT03.08.2022
LV03.08.2022
NL03.08.2022
PL03.08.2022
RO03.08.2022
RS03.08.2022
SE03.08.2022
SM03.08.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
Former [2023/21]DK03.08.2022
ES03.08.2022
FI03.08.2022
HR03.08.2022
LT03.08.2022
LV03.08.2022
NL03.08.2022
PL03.08.2022
RS03.08.2022
SE03.08.2022
SM03.08.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
Former [2023/20]ES03.08.2022
FI03.08.2022
HR03.08.2022
LT03.08.2022
LV03.08.2022
NL03.08.2022
PL03.08.2022
RS03.08.2022
SE03.08.2022
SM03.08.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
Former [2023/12]ES03.08.2022
FI03.08.2022
HR03.08.2022
LT03.08.2022
LV03.08.2022
NL03.08.2022
PL03.08.2022
RS03.08.2022
SE03.08.2022
NO03.11.2022
GR04.11.2022
IS03.12.2022
PT05.12.2022
Former [2023/11]ES03.08.2022
FI03.08.2022
HR03.08.2022
LT03.08.2022
LV03.08.2022
NL03.08.2022
PL03.08.2022
RS03.08.2022
SE03.08.2022
NO03.11.2022
GR04.11.2022
PT05.12.2022
Former [2023/10]ES03.08.2022
FI03.08.2022
HR03.08.2022
LT03.08.2022
LV03.08.2022
NL03.08.2022
RS03.08.2022
SE03.08.2022
NO03.11.2022
GR04.11.2022
PT05.12.2022
Former [2023/09]ES03.08.2022
FI03.08.2022
LT03.08.2022
LV03.08.2022
NL03.08.2022
RS03.08.2022
SE03.08.2022
NO03.11.2022
PT05.12.2022
Former [2023/08]ES03.08.2022
FI03.08.2022
LT03.08.2022
NL03.08.2022
RS03.08.2022
SE03.08.2022
NO03.11.2022
Documents cited:Search[A]WO2015044618  (RENAULT SA [FR]) [A] 1-10 * claims 1-16 *;
 [A]CN104009211B  (UNIV KUNMING SCIENCE & TECH) [A] 1-10 * claims 1-10 *;
 [A]CN109713285  (HUNAN SHINZOOM TECH CO LTD) [A] 1-10 * claims 1-7 *;
 [A]  - WEN LIU ET AL, "Electrospray synthesis of nano-Si encapsulated in graphite/carbon microplates as robust anodes for high performance lithium-ion batteries", SUSTAINABLE ENERGY & FUELS, UK, (20180101), vol. 2, no. 3, doi:10.1039/C7SE00542C, ISSN 2398-4902, pages 679 - 687, XP055751393 [A] 1-10 * page 679, "Abstract" * * pages 680-681, "Experimental section" & figure 2 * * pages 685-686, "Conclusions" *

DOI:   http://dx.doi.org/10.1039/C7SE00542C
 [A]  - XIANHUA HOU ET AL, "Facile spray-drying/pyrolysis synthesis of intertwined SiO@CNFs&G composites as superior anode materials for Li-ion batteries", RSC ADVANCES, GB, (20140101), vol. 4, no. 65, doi:10.1039/C4RA03475A, ISSN 2046-2069, pages 34615 - 34622, XP055750764 [A] 1-10 * page 34615, "Abstract" * * page 34616, "2. Experiment" *

DOI:   http://dx.doi.org/10.1039/C4RA03475A
 [A]  - JINGXING WU ET AL, "The critical role of carbon in marrying silicon and graphite anodes for high-energy lithium-ion batteries", CARBON ENERGY, (20190905), vol. 1, no. 1, doi:10.1002/cey2.2, ISSN 2637-9368, pages 57 - 76, XP055751191 [A] 1-10 * page 57, "Abstract" * * pages 71-72, "Table 1" *

DOI:   http://dx.doi.org/10.1002/cey2.2
 [A]  - DIMOV N ET AL, "Mixed silicon-graphite composites as anode material for lithium ion batteries - Influence of preparation conditions on the properties of the material", JOURNAL OF POWER SOURCES, ELSEVIER SA, CH, (20040910), vol. 136, no. 1, doi:10.1016/J.JPOWSOUR.2004.05.012, ISSN 0378-7753, pages 108 - 114, XP004544520 [A] 1-10 * pages 108-109: "1. Introduction" & "2. Experimental" * * page 113, "4. Conclusions" *

DOI:   http://dx.doi.org/10.1016/j.jpowsour.2004.05.012
 [A]  - XUYAN LIU ET AL, "Solutions for the problems of silicon-carbon anode materials for lithium-ion batteries", ROYAL SOCIETY OPEN SCIENCE, (20180601), vol. 5, no. 6, doi:10.1098/rsos.172370, ISSN 2054-5703, page 172370, XP055734269 [A] 1-10 * page 13 to page 15: "3.3.1. Si/carbon/graphite anode materials" *

DOI:   http://dx.doi.org/10.1098/rsos.172370
 [A]  - JINGXING WU ET AL, "The critical role of carbon in marrying silicon and graphite anodes for high-energy lithium-ion batteries", CARBON ENERGY, (20190905), vol. 1, no. 1, doi:10.1002/cey2.2, ISSN 2637-9368, pages 57 - 76, XP055751191 [A] 1-10 * page 57, "Abstract" * * pages 71-72, "Table 1" *

DOI:   http://dx.doi.org/10.1002/cey2.2
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.