button battery 2032

　　Looking forward to power supply and energy storage technology in IoT applications

　　Power transmission and storage technologies that may play an important role in the development path of the Internet of Things include:

　　1. Novel battery appearance: such as thin-film printed batteries and flexible batteries, which can be embedded in clothing, or Thinergy, LG and other companies recently demonstrated products equipped with thin flexible cable batteries. Small-sized batteries are also important for millimeter-scale system operation.

　　2. High power density batteries: With technologies such as silicon anodes that can improve the performance of lithium batteries, it is expected that the battery performance will be improved and the batteries will become smaller and lighter.

　　3. Harvesting electricity: Some systems can "harvest" electricity from the environment to charge smart objects. Examples include electricity generated by mechanical motion such as vibration, heat sources, solar cells, electrostatic charge, or electromagnetic radiation in the environment. Although electricity harvesting usually only produces a small amount of electricity, it is sufficient for simple sensing and communication objects. For example, MicroStrain has launched a strain gauge sensor node that uses power harvesting technology.

　　4. Wireless charging: Not all objects with sensing and communication functions can supply the required power with replaceable batteries or electricity. For example, it is very troublesome to replace the batteries of smart clothing. In addition, promising IoT applications such as medical sensors implanted under the skin are also impossible to replace the batteries. Under the sponsorship of the Wireless Power Consortium and rival organization A4WP, several systems have begun initial mass production, while others are still in the research and development stage.

　　In addition, there is another power supply technology that has not yet fully exploited its potential for IoT applications: supercapacitors, which are capacitors with ultra-high power storage capabilities. Although it is generally considered to be a replacement for batteries, existing products suffer from excessive leakage. However, emerging trends groups should still keep an eye on whether the viability of supercapacitors will increase in the future.

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