前沿专利观察 / Patent Frontier Watch
第010期:新材料前沿:电极、隔膜、封装与制造参数
本期重写为逐件研读版,重点看材料专利怎样把成分、微结构、界面、制备参数和性能指标连接起来,而不是只追逐材料名称。
为什么选这些专利
本期选择标准不是随机编号,也不是标题看起来热门,而是每件专利都对应一个可被拆解的工程问题:它必须能说明一个具体痛点,并且在公开文本中给出结构、流程、材料组合、数据处理或控制策略。下面按逐件研读方式展开。
1. Cathode inter-connect with polymer-based schemes
代表专利:US-2025246628-A1。申请人/权利人:ENOVIX CORP (US)。优先权日:2024/01/26;公开日:2025/07/31。
它真正发现的问题
这件专利的问题落在“Cathode inter-connect with polymer-based schemes”对应的材料工程环节:Methods and devices are provided herein for connecting a plurality of cathode structures to a cathode busbar within an electrode assembly of a secondary battery. 研读重点是结构、组成或制备窗口如何支撑可测性能,而不是只看材料名称。
它的技术方案
公开摘要显示,方案的具体构成是:Methods and devices are provided herein for connecting a plurality of cathode structures to a cathode busbar within an electrode assembly of a secondary battery. Each cathode structure includes a cathode active material layer and a current collector, wherein the cathode current collector has an end portion that extends beyond the cathode active material layer. The end portions of the cathode structures are attached to the cathode busbar via two adhesive polymer strips that enable strong mechanical and electrical c...
给我们的启示
启示是,电池材料布局要从材料名单转向界面、层结构、制造参数和性能测试窗口,尤其要保护那些能解释循环寿命的结构细节。
2. Packaging material for battery and secondary battery comprising same
代表专利:US-2025323333-A1。申请人/权利人:SK ON CO LTD (KR)。优先权日:2022/11/02;公开日:2025/10/16。
它真正发现的问题
这件专利的问题落在“Packaging material for battery and secondary battery comprising same”对应的材料工程环节:A packaging material for a battery according to embodiments of the present disclosure includes a metal layer, an inner sealant layer, an outer substrate layer, and a thermochromic pigment-containing adhesive layer formed between the metal layer and the outer substrate layer. 研读重点是结构、组成或制备窗口如何支撑可测性能,而不是只看材料名称。
它的技术方案
公开摘要显示,方案的具体构成是:A packaging material for a battery according to embodiments of the present disclosure includes a metal layer, an inner sealant layer, an outer substrate layer, and a thermochromic pigment-containing adhesive layer formed between the metal layer and the outer substrate layer. Through a pouch including the packaging material for a battery, it is possible to implement a secondary battery capable of monitoring internal heat generation from the outside.
给我们的启示
启示是,电池材料布局要从材料名单转向界面、层结构、制造参数和性能测试窗口,尤其要保护那些能解释循环寿命的结构细节。
3. Battery assemblies with molded polymer battery management unit assemblies
代表专利:US-2025266512-A1。申请人/权利人:META PLATFORMS TECH LLC (US)。优先权日:2024/02/15;公开日:2025/08/21。
它真正发现的问题
这件专利的问题落在“Battery assemblies with molded polymer battery management unit assemblies”对应的材料工程环节:Battery assemblies may include a battery cell unit enclosed in a steel can and a battery management unit overmolded to the steel can with an overmold material. 研读重点是结构、组成或制备窗口如何支撑可测性能,而不是只看材料名称。
它的技术方案
公开摘要显示,方案的具体构成是:Battery assemblies may include a battery cell unit enclosed in a steel can and a battery management unit overmolded to the steel can with an overmold material. Various other devices and systems are also disclosed.
给我们的启示
启示是,电池材料布局要从材料名单转向界面、层结构、制造参数和性能测试窗口,尤其要保护那些能解释循环寿命的结构细节。
4. Structured nanoporous materials, manufacture of structured nanoporous materials and applications of structured nanoporous materials
代表专利:WO-2019177067-A1。申请人/权利人:UNIV KYOTO (JP)。优先权日:2018/03/13;公开日:2019/09/19。
它真正发现的问题
这件专利的问题落在“Structured nanoporous materials, manufacture of structured nanoporous materials and applications of structured nanoporous materials”对应的材料工程环节:A method is disclosed for manufacturing a structured polymeric material. In the method, a body is provided comprising a substantially homogenous precursor polymeric material. An interference pattern of electromagnetic radiation is set up within the body to form a partially cross-linked polymeric material, the interference pattern comprising maxima and minim... 研读重点是结构、组成或制备窗口如何支撑可测性能,而不是只看材料名称。
它的技术方案
公开摘要显示,方案的具体构成是:A method is disclosed for manufacturing a structured polymeric material. In the method, a body is provided comprising a substantially homogenous precursor polymeric material. An interference pattern of electromagnetic radiation is set up within the body to form a partially cross-linked polymeric material, the interference pattern comprising maxima and minima of intensity of the electromagnetic radiation, the interference pattern thereby causing spatially differential cross linking of the precursor polymeric materi...
给我们的启示
启示是,新材料专利要尽量把结构参数、工艺参数和性能指标绑定,避免只写材料名称而缺少可执行边界。
5. Devices and methods for nanofiber-based membrane fabrication
代表专利:US-12234575-B1。申请人/权利人:AGARWAL ARVIND (US) CRUZ OMAR BLANDON (US) LOU LIHUA (US) THE FLORIDA INTERNATIONAL UNIV BOARD OF TRUSTEES (US)。优先权日:2024/07/22;公开日:2025/02/25;授权日:2025/02/25。
它真正发现的问题
这件专利真正面对的是纳米纤维膜制备设备的便携化和低功耗问题。传统静电纺丝设备通常体积大、供电要求高、操作场景受限,不适合伤口护理膜、载药膜等现场或可穿戴制备场景。
它的技术方案
方案采用便携式、可手持或可穿戴的静电纺丝设备,用低压电池供电,并使用无针喷丝结构供应溶液,以制备纳米纤维膜,例如伤口护理膜或CBD载药膜。重点不是“纳米纤维”这个材料名,而是把喷丝结构、供液、低压供电和现场成膜结合起来。
给我们的启示
启示是,材料制造设备也能形成专利壁垒。把大型实验室工艺改造成低功耗、便携、可穿戴或现场使用的设备,本身就是从材料发现走向产品化的关键布局点。
6. Electrolyte for lithium secondary battery, and lithium secondary battery comprising same
代表专利:EP-4120419-B1。申请人/权利人:LG ENERGY SOLUTION LTD (KR)。优先权日:2020/10/30;公开日:2025/07/23;授权日:2025/07/23。
它真正发现的问题
锂二次电池电解液要同时解决电导率、成膜、气胀、安全和循环寿命问题。单纯提高某一性能可能牺牲高温存储或倍率性能。
它的技术方案
该专利围绕锂二次电池电解液及包含该电解液的电池,重点应读溶剂、锂盐、添加剂及其比例如何共同形成电极界面膜并改善循环。
给我们的启示
启示是,电解液专利应把添加剂组合和性能指标绑定:添加什么、比例范围、作用在哪个界面、改善哪项测试结果。
7. Method for manufacturing all-solid-state battery comprising solid electrolyte material
代表专利:US-2023335874-A1。申请人/权利人:LG ENERGY SOLUTION LTD (KR)。优先权日:2020/07/08;公开日:2023/10/19。
它真正发现的问题
这件专利的问题落在“Method for manufacturing all-solid-state battery comprising solid electrolyte material”对应的材料工程环节:A method for manufacturing a solid-state battery, the method preventing a reaction between lithium metal in a negative electrode and a sulfide-based solid electrolyte material in a solid electrolyte membrane during a pressurization process for binding electrode members with each other, and the method providing a solid-state battery which has low porosity in. 研读重点是结构、组成或制备窗口如何支撑可测性能,而不是只看材料名称。
它的技术方案
公开摘要显示,方案的具体构成是:A method for manufacturing a solid-state battery, the method preventing a reaction between lithium metal in a negative electrode and a sulfide-based solid electrolyte material in a solid electrolyte membrane during a pressurization process for binding electrode members with each other, and the method providing a solid-state battery which has low porosity in a positive electrode and the solid electrolyte membrane and reduced generation of a short-circuit, and the method providing an improved battery production yiel...
给我们的启示
启示是,电池材料布局要从材料名单转向界面、层结构、制造参数和性能测试窗口,尤其要保护那些能解释循环寿命的结构细节。
8. Separator, battery cell, battery, and electric device
代表专利:US-12586869-B2。申请人/权利人:CONTEMPORARY AMPEREX TECHNOLOGY CO LTD (CN)。优先权日:2023/09/28;公开日:2026/03/24;授权日:2026/03/24。
它真正发现的问题
这件专利的问题落在“Separator, battery cell, battery, and electric device”对应的材料工程环节:A separator, a battery cell, a battery, and an electric device are described. The separator comprises a porous base material and a ferroelectric coating located on at least one surface of the porous base material. The ferroelectric coating comprises a ferroelectric material. The ferroelectric material comprises an inorganic ferroelectric and a ferroelectric... 研读重点是结构、组成或制备窗口如何支撑可测性能,而不是只看材料名称。
它的技术方案
公开摘要显示,方案的具体构成是:A separator, a battery cell, a battery, and an electric device are described. The separator comprises a porous base material and a ferroelectric coating located on at least one surface of the porous base material. The ferroelectric coating comprises a ferroelectric material. The ferroelectric material comprises an inorganic ferroelectric and a ferroelectric polymer. The ferroelectric polymer comprises polyvinylidene fluoride and a copolymer thereof, the ferroelectric polymer comprises β-phase polyvinylidene fluori...
给我们的启示
启示是,电池材料布局要从材料名单转向界面、层结构、制造参数和性能测试窗口,尤其要保护那些能解释循环寿命的结构细节。
9. Positive electrode active material for lithium secondary battery and lithium secondary battery including the same
代表专利:EP-3663265-B1。申请人/权利人:ECOPRO BM CO LTD (KR)。优先权日:2018/09/11;公开日:2025/10/29;授权日:2025/10/29。
它真正发现的问题
正极活性材料的容量、热稳定性和循环保持率往往相互牵制,尤其高镍或复合正极容易出现表面副反应和结构退化。
它的技术方案
该条目围绕锂二次电池正极活性材料及包含它的电池,重点应读材料组成、掺杂/包覆、颗粒结构和电池应用之间的关系。
给我们的启示
启示是,正极材料布局要把元素组成、颗粒形貌、表面处理和电池性能数据一起写,单独声明一种活性物质价值有限。
10. Elastic sheet for all solid-state battery and all solid-state battery including same
代表专利:US-2025070329-A1。申请人/权利人:SAMSUNG SDI CO LTD (KR)。优先权日:2023/08/22;公开日:2025/02/27。
它真正发现的问题
这件专利的问题落在“Elastic sheet for all solid-state battery and all solid-state battery including same”对应的材料工程环节:An elastic sheet for an all solid-state battery as well as an all solid-state battery which includes the elastic sheet for an all solid-state battery, wherein the elastic sheet for an all solid-state battery includes a spherical polymer which has a sphericity of about 0. 研读重点是结构、组成或制备窗口如何支撑可测性能,而不是只看材料名称。
它的技术方案
公开摘要显示,方案的具体构成是:An elastic sheet for an all solid-state battery as well as an all solid-state battery which includes the elastic sheet for an all solid-state battery, wherein the elastic sheet for an all solid-state battery includes a spherical polymer which has a sphericity of about 0.6 to about 0.95 as well as including a binder.
给我们的启示
启示是,电池材料布局要从材料名单转向界面、层结构、制造参数和性能测试窗口,尤其要保护那些能解释循环寿命的结构细节。
11. [Translated] Method for preparing separator of secondary battery, and secondary battery
代表专利:CN-119824609-A。申请人/权利人:ZHEJIANG JINGKE ENERGY STORAGE CO LTD。优先权日:2025/03/14;公开日:2025/04/15。
它真正发现的问题
这件专利的问题落在“[Translated] Method for preparing separator of secondary battery, and secondary battery”对应的材料工程环节:[Translated] The invention provides a preparation method of a diaphragm of a secondary battery and the secondary battery. 研读重点是结构、组成或制备窗口如何支撑可测性能,而不是只看材料名称。
它的技术方案
公开摘要显示,方案的具体构成是:[Translated] The invention provides a preparation method of a diaphragm of a secondary battery and the secondary battery. The preparation method comprises the steps of respectively carrying out silane modification on a base film and inorganic particles to obtain a modified base film and modified inorganic particles, mixing and treating raw materials comprising an elastic polymer, the modified inorganic particles, the modified base film, a chain extender and an organic solvent to obtain a spinning precursor solutio...
给我们的启示
启示是,电池材料布局要从材料名单转向界面、层结构、制造参数和性能测试窗口,尤其要保护那些能解释循环寿命的结构细节。
12. Oxygen evolution reaction catalyst and method for its preparation
代表专利:EP-4498459-A1。申请人/权利人:JOHNSON MATTHEY PLC (GB)。优先权日:2023/07/26;公开日:2025/01/29。
它真正发现的问题
这件专利的问题落在“Oxygen evolution reaction catalyst and method for its preparation”对应的材料工程环节:The specification describes a process for preparing an oxygen evolution reaction catalyst, comprising the steps of: (i) combining iridium powder and a peroxide salt to produce a powder mixture; (ii) carrying out thermal treatment on the powder mixture; (iii) dissolving the product from (ii) in water to produce a solution; (iv) reducing the pH of the solutio. 研读重点是结构、组成或制备窗口如何支撑可测性能,而不是只看材料名称。
它的技术方案
公开摘要显示,方案的具体构成是:The specification describes a process for preparing an oxygen evolution reaction catalyst, comprising the steps of: (i) combining iridium powder and a peroxide salt to produce a powder mixture; (ii) carrying out thermal treatment on the powder mixture; (iii) dissolving the product from (ii) in water to produce a solution; (iv) reducing the pH of the solution from (iii) to affect a precipitation and form a solid and a supernatant; (v) separating the solid from the supernatant; and (vi) drying the solid. An oxygen e...
给我们的启示
启示是,新材料专利要尽量把结构参数、工艺参数和性能指标绑定,避免只写材料名称而缺少可执行边界。
13. Solid-state battery
代表专利:US20260229602A1。申请人/权利人:公开页面未列明。
它真正发现的问题
固态电池商业化难点在于界面阻抗、层间贴合和循环中的机械变化。即使材料体系先进,只要界面失效,电池性能就会快速衰退。
它的技术方案
该条目围绕固态电池结构,重点应读正极、负极、固体电解质和中间层如何配置,以及是否通过弹性层、界面层或制造压力改善接触。
给我们的启示
启示是,固态电池专利最好落在电芯结构和制造窗口上:层怎么叠、界面怎么处理、循环中怎么维持接触。
14. Memory device including 2-transistor memory cell structure for neural network
代表专利:US-2025029638-A1。申请人/权利人:MICRON TECHNOLOGY INC (US)。优先权日:2023/07/20;公开日:2025/01/23。
它真正发现的问题
这件专利的问题落在“Memory device including 2-transistor memory cell structure for neural network”对应的材料工程环节:Some embodiments include apparatuses and methods of operating the apparatuses. One of the apparatuses includes a first memory cell and a second memory cell, each of the first and second memory cells including a first transistor including a first region and a first charge storage structure separated from the first region; a second transistor including a seco... 研读重点是结构、组成或制备窗口如何支撑可测性能,而不是只看材料名称。
它的技术方案
公开摘要显示,方案的具体构成是:Some embodiments include apparatuses and methods of operating the apparatuses. One of the apparatuses includes a first memory cell and a second memory cell, each of the first and second memory cells including a first transistor including a first region and a first charge storage structure separated from the first region; a second transistor including a second region formed over the first charge storage structure; a first data line coupled to the first memory cell configured to provide a first sum based on current ...
给我们的启示
启示是,新材料专利要尽量把结构参数、工艺参数和性能指标绑定,避免只写材料名称而缺少可执行边界。
15. 3D semiconductor memory devices and structures
代表专利:US-12250830-B2。申请人/权利人:MONOLITHIC 3D INC (US)。优先权日:2015/09/21;公开日:2025/03/11;授权日:2025/03/11。
它真正发现的问题
这件专利的问题落在“3D semiconductor memory devices and structures”对应的材料工程环节:A 3D semiconductor device, the device including: a first level including a first single crystal layer and a memory control circuit, the memory control circuit including a plurality of first transistors; a first metal layer overlaying the first single crystal layer; a second metal layer overlaying the first metal layer; a plurality of second transistors disp. 研读重点是结构、组成或制备窗口如何支撑可测性能,而不是只看材料名称。
它的技术方案
公开摘要显示,方案的具体构成是:A 3D semiconductor device, the device including: a first level including a first single crystal layer and a memory control circuit, the memory control circuit including a plurality of first transistors; a first metal layer overlaying the first single crystal layer; a second metal layer overlaying the first metal layer; a plurality of second transistors disposed atop the second metal layer; a third metal layer disposed atop the plurality of second transistors; and a memory array including word-lines and memory cell...
给我们的启示
启示是,新材料专利要尽量把结构参数、工艺参数和性能指标绑定,避免只写材料名称而缺少可执行边界。
16. Battery interface and energy-material structure signal
代表专利:US-20260024755-A1。申请人/权利人:公开页面未列明。
它真正发现的问题
电池界面和能量材料结构的信号获取问题在于,许多失效早期发生在内部界面或微结构中,外部电压电流未必能及时反映。
它的技术方案
该条目应围绕电池界面或能量材料结构信号,重点读其如何采集、表征或利用结构相关信号来判断材料状态或界面变化。
给我们的启示
启示是,电池材料专利可以从检测和表征切入。围绕界面信号、结构状态和性能预测建立闭环,能服务研发、制造质控和安全管理。
本期结论
这些新材料专利共同说明,材料创新必须落到结构和参数:界面、涂层、孔结构、隔膜、电解质、封装和制造窗口才是后续FTO和布局的关键。
资料来源 / Sources
本期依据 PubChem patent JSON、Google Patents 公开页面和原公开链接研读整理。正式FTO或授权稳定性判断仍需进一步核对官方登记簿、审查历史、同族和权利要求全文。
- US-2025246628-A1 - Cathode inter-connect with polymer-based schemes
- US-2025323333-A1 - Packaging material for battery and secondary battery comprising same
- US-2025266512-A1 - Battery assemblies with molded polymer battery management unit assemblies
- WO-2019177067-A1 - Structured nanoporous materials, manufacture of structured nanoporous materials and applications of structured nanoporous materials
- US-12234575-B1 - Devices and methods for nanofiber-based membrane fabrication
- EP-4120419-B1 - Electrolyte for lithium secondary battery, and lithium secondary battery comprising same
- US-2023335874-A1 - Method for manufacturing all-solid-state battery comprising solid electrolyte material
- US-12586869-B2 - Separator, battery cell, battery, and electric device
- EP-3663265-B1 - Positive electrode active material for lithium secondary battery and lithium secondary battery including the same
- US-2025070329-A1 - Elastic sheet for all solid-state battery and all solid-state battery including same
- CN-119824609-A - [Translated] Method for preparing separator of secondary battery, and secondary battery
- EP-4498459-A1 - Oxygen evolution reaction catalyst and method for its preparation
- US20260229602A1 - Solid-state battery
- US-2025029638-A1 - Memory device including 2-transistor memory cell structure for neural network
- US-12250830-B2 - 3D semiconductor memory devices and structures
- US-20260024755-A1 - Battery interface and energy-material structure signal