18145749. SECONDARY BATTERY AND TERMINAL simplified abstract (Huawei Technologies Co., Ltd.)

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SECONDARY BATTERY AND TERMINAL

Organization Name

Huawei Technologies Co., Ltd.

Inventor(s)

Zhengjie Li of Shenzhen (CN)

Yaoming Deng of Dongguan (CN)

Xinzhi Zhang of Shenzhen (CN)

Yunlei Gao of Shenzhen (CN)

Dongfang Yang of Shenzhen (CN)

Da Hong of Dongguan (CN)

Fengchao Xie of Dongguan (CN)

SECONDARY BATTERY AND TERMINAL - A simplified explanation of the abstract

This abstract first appeared for US patent application 18145749 titled 'SECONDARY BATTERY AND TERMINAL

Simplified Explanation

The abstract describes a patent application for a secondary battery that includes a battery unit assembly with a positive electrode plate, a negative electrode plate, and a separator between them. The separator has a high elongation rate, which includes both length and width directions. The ratio of the separator's elongation rate to the thickness of the active material layer of the electrode plates is between 3.0%/µm and 8.0%/µm. Additionally, the ratio of the separator's elongation rate to the elongation rate of the current collector of the electrode plates is equal to or greater than a certain value.

  • The battery unit assembly includes a positive electrode plate, a negative electrode plate, and a separator.
  • The separator has a high elongation rate in both length and width directions.
  • The ratio of the separator's elongation rate to the thickness of the active material layer of the electrode plates is between 3.0%/µm and 8.0%/µm.
  • The ratio of the separator's elongation rate to the elongation rate of the current collector of the electrode plates is equal to or greater than a certain value.

Potential Applications

  • This technology can be applied in various portable electronic devices such as smartphones, tablets, and laptops.
  • It can also be used in electric vehicles and hybrid vehicles to improve battery performance.

Problems Solved

  • The high elongation rate of the separator helps prevent the battery from swelling or deforming during charging and discharging cycles.
  • The specific ratios mentioned ensure optimal performance and stability of the battery unit assembly.

Benefits

  • The battery unit assembly with a high elongation rate separator provides improved safety and reliability.
  • It allows for better energy storage and longer battery life.
  • The technology can contribute to the development of more efficient and durable batteries for various applications.


Original Abstract Submitted

This application provides a secondary battery, including at least one battery unit assembly. The battery cell assembly includes a positive electrode plate, a negative electrode plate, and a separator disposed between the positive electrode plate and the negative electrode plate. An elongation rate of the separator is greater than 100%, the elongation rate of the separator includes an elongation rate in the length direction and/or an elongation rate in the width direction, a ratio of the elongation rate of the separator to a thickness of the active material layer of the positive electrode plate and/or negative electrode plate is 3.0%/µm to 8.0%/µm, and a ratio of the elongation rate of the separator to an elongation rate of the current collector of the positive electrode plate and/or negative electrode plate is greater than or equal to .

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