CN116344788A - 电池 - Google Patents
电池 Download PDFInfo
- Publication number
- CN116344788A CN116344788A CN202211410111.0A CN202211410111A CN116344788A CN 116344788 A CN116344788 A CN 116344788A CN 202211410111 A CN202211410111 A CN 202211410111A CN 116344788 A CN116344788 A CN 116344788A
- Authority
- CN
- China
- Prior art keywords
- battery
- positive electrode
- living
- lattice structure
- electric quantity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003792 electrolyte Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 16
- 229910000505 Al2TiO5 Inorganic materials 0.000 claims description 12
- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical group C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 claims description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 11
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- -1 aluminum ions Chemical class 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 239000007774 positive electrode material Substances 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000011149 active material Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/054—Accumulators with insertion or intercalation of metals other than lithium, e.g. with magnesium or aluminium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/46—Alloys based on magnesium or aluminium
- H01M4/463—Aluminium based
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M2010/4292—Aspects relating to capacity ratio of electrodes/electrolyte or anode/cathode
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Primary Cells (AREA)
- Secondary Cells (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
本发明提供一种电池,包括电解液以及正极。电解液被配置以产生活物。电池通过活物插嵌至正极的晶格结构内,以产生电池的电量。
Description
技术领域
本发明涉及一种电池,尤其涉及一种改良正极材料的电池。
背景技术
一般而言,现今多数电池的正极会有多次充放电后过度膨胀进而缩短电池寿命甚至是短路的问题,举例而言,当正极以石墨作为材料,电池中的活物会插层在正极石墨的层间距之间,以产生电量,然而,在充份插层活物后正极易发生膨胀现象,而膨胀会对隔膜施加应力,易与负极镀物产生的枝晶导通,进而造成缩短寿命甚至是短路。因此如何改善膨胀问题,进而增加电池寿命并避免短路实为一种挑战。
发明内容
本发明提供一种电池,其可以在改善膨胀问题、增加电池寿命并避免短路的同时提升电池电量。
本发明的一种电池,包括电解液以及正极。电解液被配置以产生活物。电池通过活物插嵌至正极的晶格结构内,以产生电池的电量。
在本发明的一实施例中,上述的电池通过活物插嵌至正极的晶格结构内,以形成合金态。
在本发明的一实施例中,上述的正极的材料为钛酸铝(Aluminium-titanatebattery, ATO)。
在本发明的一实施例中,上述的钛酸铝占正极的比例至少大于50%。
在本发明的一实施例中,上述的晶格结构为二氧化钛板钛(TiO2)矿晶格。
在本发明的一实施例中,上述的电池的寿命圈数至少大于50圈。
在本发明的一实施例中,上述的正极的膨胀厚度至少小于等于100微米。
在本发明的一实施例中,上述的正极的材料的热膨胀系数至少小于1x10-6/℃。
在本发明的一实施例中,上述的电池为铝电池。
在本发明的一实施例中,上述的活物为铝离子(Al3+)。
基于上述,本发明通过选择正极材料,使用具有晶格结构的正极,以减少活物插嵌后的膨胀现象且可以储存离子产生电量,因此可以在改善膨胀问题、增加电池寿命并避免短路的同时提升电池电量。
为让本发明的上述特征和优点能更明显易懂,下文特举实施例,并配合附图作详细说明如下。
附图说明
图1是依照本发明一实施例的一种电池的正极的材料结构示意图。
具体实施方式
现将详细地参考本发明的示范性实施例,示范性实施例的实例说明于附图中。只要有可能,相同元件符号在附图和描述中用来表示相同或相似部分。
为了使本发明的内容可以被更容易理解,以下特举实施例作为本发明确实能够据以实施的范例。为明确说明,许多实务上的细节将在以下叙述中一并说明。然而,应了解的是,这些实务上的细节不应用被以限制本发明。也就是说,在本发明部分实施方式中,这些实务上的细节是非必要的。
除非另有定义,本文使用的所有术语(包括技术和科学术语)具有与本发明所属领域的普通技术人员通常理解的相同的含义。
图1是依照本发明一实施例的一种电池的正极的材料结构示意图。请参考图1,本实施例的电池包括电解液以及正极。电解液被配置以产生活物。电池通过活物插嵌至正极的晶格结构100内,以产生电池的电量。据此,本实施例通过选择正极材料,使用具有晶格结构100的正极,以减少活物插嵌后的膨胀现象且可以储存离子产生电量,因此可以在改善膨胀问题、增加电池寿命并避免短路的同时提升电池电量。进一步而言,电池可以是通过活物插嵌至正极的晶格结构内,以形成合金态的方式产生电量,换句话说,本实施例的电池并不是使用活物插层至石墨层间距之间的方式产生电量。
在一些实施例中,正极的材料为钛酸铝(CAS:12004-39-6),且晶格结构为二氧化钛板钛矿晶格,由于电池充放电过程中,钛酸铝中二氧化钛板钛矿晶格可以有效提供电量,且在正极上未明显产生膨胀现象,因此当正极的材料为钛酸铝时具有改善电池正极膨胀且提升电量的能力。举例而言,当正极的材料为钛酸铝时,电池的寿命圈数至少大于50圈,举例而言,当正极的材料为石墨时寿命会小于50圈,而当钛酸铝作为正极材料时寿命可以提升至100圈,因此可以提升约100%。此外,正极的膨胀厚度至少小于等于100微米,举例而言,当正极的材料为石墨时膨胀厚度约375微米,而当钛酸铝作为正极材料时膨胀厚度约100微米。另一方面,当正极的材料由石墨更换至钛酸铝时,电池的电量可以由48毫安培小时(mAh)提升至51毫安培小时,因此电池的膨胀、寿命与电量皆确实地被改善,但本发明不限于此,电池的寿命圈数与正极的厚度须视正极的材料选择而定,只要电池通过活物插嵌至正极的晶格结构内,以产生电池的电量皆属于本发明的保护范围。
在一些实施例中,正极的材料的热膨胀系数至少小于1x10-6/℃,也就是说,正极的材料可以是热膨胀系数较低的材料,与阴离子进行反应时,其结构实质上并未产生膨胀收缩的现象,亦即型态不易造成变化,因此在储存离子产生电量的同时亦不会使正极膨胀,使电芯寿命延长,但本发明不限于此。
在一些实施例中,钛酸铝占正极的比例至少大于50%(混掺形式),以获得较佳的插层效果,但本发明不限于此。
在一些实施例中,电池为铝电池,因此活物为铝离子(Al3+),以通过铝离子与钛酸铝晶格形成合金态而产生电量,但本发明不限制电池种类,只要电池的正极材料具有与本案相同的机制皆属于本发明的保护范围。
应说明的是,电池中其他未说明的组成(如负极、隔离膜及电解液等)与规格应是本发明所属领域的普通技术人员可以依据任何涵盖包含在随附申请专利范围的精神及范围内的内容所得。
综上所述,本发明通过选择正极材料,使用具有晶格结构的正极,以减少活物插嵌后的膨胀现象且可以储存离子产生电量,因此可以在改善膨胀问题、增加电池寿命并避免短路的同时提升电池电量。
最后应说明的是:以上各实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述各实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分或者全部技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。
Claims (10)
1.一种电池,其特征在于,包括:
电解液,被配置以产生活物;以及
正极,其中所述电池通过所述活物插嵌至所述正极的晶格结构内,以产生所述电池的电量。
2.根据权利要求1所述的电池,其特征在于,所述电池通过所述活物插嵌至所述正极的所述晶格结构内,以形成合金态。
3.根据权利要求1所述的电池,其特征在于,所述正极的材料为钛酸铝。
4.根据权利要求3所述的电池,其特征在于,所述钛酸铝占所述正极的比例至少大于50%。
5.根据权利要求3所述的电池,其特征在于,所述晶格结构为二氧化钛板钛矿晶格。
6.根据权利要求3所述的电池,其特征在于,所述电池的寿命圈数至少大于50圈。
7.根据权利要求3所述的电池,其特征在于,所述正极的膨胀厚度至少小于等于100微米。
8.根据权利要求1所述的电池,其特征在于,所述正极的材料的热膨胀系数至少小于1x10-6/℃。
9.根据权利要求1所述的电池,其特征在于,所述电池为铝电池。
10.根据权利要求9所述的电池,其特征在于,所述活物为铝离子。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW110148695A TWI823215B (zh) | 2021-12-24 | 2021-12-24 | 電池 |
TW110148695 | 2021-12-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN116344788A true CN116344788A (zh) | 2023-06-27 |
Family
ID=84362935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202211410111.0A Pending CN116344788A (zh) | 2021-12-24 | 2022-11-11 | 电池 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20230207795A1 (zh) |
EP (1) | EP4203103A3 (zh) |
CN (1) | CN116344788A (zh) |
TW (1) | TWI823215B (zh) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101779313B (zh) * | 2007-08-10 | 2012-11-28 | 昭和电工株式会社 | 锂系二次电池用负极、碳系负极活性物质的制造方法、和锂系二次电池及其用途 |
CN109888241B (zh) * | 2019-03-11 | 2020-09-04 | 浙江大学 | 氧化物-石墨层间化合物及其制备方法与电极和电池 |
-
2021
- 2021-12-24 TW TW110148695A patent/TWI823215B/zh active
-
2022
- 2022-11-02 US US17/978,997 patent/US20230207795A1/en active Pending
- 2022-11-11 CN CN202211410111.0A patent/CN116344788A/zh active Pending
- 2022-11-25 EP EP22209517.6A patent/EP4203103A3/en active Pending
Also Published As
Publication number | Publication date |
---|---|
US20230207795A1 (en) | 2023-06-29 |
TW202327153A (zh) | 2023-07-01 |
EP4203103A2 (en) | 2023-06-28 |
EP4203103A3 (en) | 2023-08-23 |
TWI823215B (zh) | 2023-11-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Yang et al. | Review on the research of failure modes and mechanism for lead–acid batteries | |
US20170338482A1 (en) | Material of negative electrode for lithium secondary battery | |
JP6638227B2 (ja) | 蓄電素子劣化状態推定装置、蓄電素子劣化状態推定方法及び蓄電システム | |
KR20060109049A (ko) | 4v급 하이브리드 전기 에너지 저장 시스템 | |
KR20230048524A (ko) | 전극 플레이트 및 리튬 이온 배터리 | |
KR102374188B1 (ko) | 리튬 전지용 전극 | |
KR920009805B1 (ko) | 라튬 이차전지 | |
JP7294153B2 (ja) | リチウムイオン電池 | |
JP2016192380A (ja) | リチウムイオン二次電池用の集電体 | |
CN116344788A (zh) | 电池 | |
US20230207826A1 (en) | Anode containing multi-composite conductive agent and lithium secondary battery including the same | |
KR20220041799A (ko) | 표면 도핑 처리된 리튬이차전지용 양극 활물질 및 그의 제조 방법 | |
KR102374369B1 (ko) | 전기화학소자용 음극 재료 및 이의 제조 방법 | |
KR100991358B1 (ko) | 리튬 이차 전지용 음극 활물질과 그 제조방법 및 이를음극으로 포함하는 리튬 이차 전지 | |
CN112042039A (zh) | 电极组件 | |
KR20150133376A (ko) | 리튬 이차 전지용 전극, 이의 형성 방법 및 리튬 이차 전지 | |
JP6697155B2 (ja) | 全固体電池 | |
JP5618386B2 (ja) | ニッケル水素電池およびニッケル水素電池の容量回復方法 | |
Abd Rahman et al. | Performance review on small-medium scales energy storage system in term of investment aspect | |
KR102291207B1 (ko) | 이차전지용 음극 구조체, 이를 포함하는 음극, 이를 포함하는 이차전지 및 제조방법 | |
TWI790812B (zh) | 鋁電池的管理方法 | |
CN114725549B (zh) | 锂金属电池的充电方法及充电装置 | |
JP2013145664A (ja) | 制御弁式鉛蓄電池 | |
JP6886153B2 (ja) | リチウムイオン二次電池用の集電体の製造方法 | |
JP2011228119A (ja) | 非水電解質二次電池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |