C01G 51/42
Containing alkali metals
Official title: containing alkali metals, e.g. LiCoO2
C01G51/42 (Containing alkali metals) appears on 782 US grants and 1,039 published applications in this corpus.
Search patents in C01G- Granted patents
- 782
- Published applications
- 1,039
- Assignees
- 329
- Inventors
- 1,900
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 12 | 0 |
| 1998 | 8 | 0 |
| 1999 | 13 | 0 |
| 2000 | 15 | 0 |
| 2001 | 11 | 7 |
| 2002 | 14 | 21 |
| 2003 | 16 | 28 |
| 2004 | 16 | 31 |
| 2005 | 11 | 33 |
| 2006 | 15 | 39 |
| 2007 | 14 | 31 |
| 2008 | 20 | 29 |
| 2009 | 25 | 48 |
| 2010 | 34 | 36 |
| 2011 | 25 | 49 |
| 2012 | 32 | 59 |
| 2013 | 46 | 57 |
| 2014 | 43 | 46 |
| 2015 | 34 | 35 |
| 2016 | 32 | 54 |
| 2017 | 39 | 42 |
| 2018 | 33 | 53 |
| 2019 | 44 | 43 |
| 2020 | 43 | 56 |
| 2021 | 37 | 40 |
| 2022 | 31 | 53 |
| 2023 | 27 | 55 |
| 2024 | 32 | 37 |
| 2025 | 26 | 38 |
| 2026 | 20 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for surface modification of lithium transition metal oxide positive electrode material15 Sep 2026US 12,738,484 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Lithium transition metal oxide, positive electrode additive for lithium secondary battery, and lithium secondary battery comprising the same8 Sep 2026US 12,729,134 B2LG Chem.Ltd.
- Positive electrode material, electrochemical device, and electrical device25 Aug 2026US 12,719,053 B2Ningde Amperex Technology Limited
- Preparation method for nanosized lithium cobalt oxide cathode material and application thereof4 Aug 2026US 12,698,214 B2Guangdong Brunp Recycling Technology Co., Ltd.
- Lithium secondary battery7 Jul 2026US 12,676,307 B2LG Chem.Ltd.
- Processes for preparing hydroxides and oxides of various metals and derivatives thereof13 Aug 2026US 2026/0234024 A1Nemaska Lithium Inc.
- Methods for regenerating metal oxides13 Aug 2026US 2026/0237772 A1
- Manufacturing apparatus and manufacturing method of positive electrode active material6 Aug 2026US 2026/0225910 A1Semiconductor Energy Laboratory Co.Ltd.
- Positive Electrode Active Material, Lithium-Ion Secondary Battery, Electronic Device, Vehicle, And Method For Fabricating Composite Oxide6 Aug 2026US 2026/0225911 A1Semiconductor Energy Laboratory Co.Ltd.
- Tricobalt tetraoxide and preparation method therefor, lithium cobalt oxide, cathode sheet and battery23 Jul 2026US 2026/0209070 A1Guangdong Brunp Recycling Technology Co., Ltd.
Most cited
By later US patents
- Electrochemical cell100US 5,316,877 ATechnology Finance Corporation (Proprietary) Limited · 1994
- Plasma synthesis of lithium based intercalation powders for solid polymer electrolyte batteries99US 6,838,072 B1The United States of America as represented by the United States Department of Energy · 2005
- Lithium metal oxides94US 6,749,648 B1NanaGram Corporation · 2004
- Positive electrode active material for lithium secondary cell and lithium secondary cell89US 7,393,476 B2GS Yuasa Corporation · 2008
- Non-aqueous lithium ion secondary battery88US 6,037,095 AFuji Photo Film Co., Ltd. · 2000