How to improve the safety of battery connectors for new energy vehicles

The connector industry chain covers a wide range of fields from upstream metal materials, plastic materials, plating materials to downstream automotive, communications, consumer electronics, defense industry and so on. The upstream industry is mainly ferrous metals, non-ferrous metals, rare and precious metals, engineering plastics and other raw materials processing industry. The price and transportation cost of upstream raw materials is the key to connector cost control. However, because most of the upstream commodities have low price volatility and a large number of suppliers, connector companies generally do not expand the supply chain system upstream for reasons of economies of scale. Connector is the basic unit of signal transmission and information exchange, determines all end products involved in the field of electronic information needs to be used. So the connector covers almost all areas of the electronics industry. However, due to the differences in terminal demand and the degree of informationization of a single product, the size of the market for segmented connectors in different fields varies greatly. Connector miniaturization, wireless, high-speed, intelligent is the general trend. At present, the connector industry is at the starting point of a new round of creative demand represented by 5G and new energy vehicles. In terms of new energy, in terms of technology, the four typical systems of electric vehicles - high power density battery packs, aerospace appliances filled with batteries, inverters, and DC-DC controllers - have added a large amount of connector content, and the pace of automotive electrification has been accelerated and popularized. Supply-side batteries and other core system technologies continue to improve, with capacity climbing in the medium term, while demand-side policies are stimulating and consumer demand preferences are shifting, among other things. The field of new energy vehicles may be entering the starting point of creative demand. Communication field commonly used 48VVV DC power supply, its single core (chip) carrying power connector current density continues to increase, from 30A → 40A → 50A → 60A or even higher development. At the same time, the trend of miniaturization and compactness of the equipment requires the connector to occupy less space. For example, high-density blade servers have replaced rack-mounted servers in data centers. Running these more compact systems requires connectors with higher power density and signal density.

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