Lithium-ion batteries have become hot with the popularity of the 3C consumer electronics market in recent years and the continued rising in new energy vehicles Lithium-ion battery separators, which are one of the important components inside lithium-ion batteries, have also attracted much attention, and a large number of related companies and investors have expanded or entered the industry.

Lithium battery copper foil: neglected and indispensable lithium battery base material Copper foil acts as a negative electrode material carrier and a negative electrode current collector in a lithium battery, and is an important material for lithium batteries The harsh working environment and performance requirements of lithium batteries place many requirements on the thickness, oxidation resistance and adhesion properties of copper foil.

Lithium batteries usually include metal lithium batteries (commonly used as button batteries) and lithium ion batteries (also known as lithium batteries) Lithium-ion batteries include liquid lithium-ion batteries (usually known as lithium-ion batteries) and polymer lithium-ion batteries.

Recently a lot of friends reflect the problem that electric vehicle can’t go far in winter They all think that there is a problem with electric vehicle batteries.

Power BMS lithium battery protection board First, Composition of lithium battery The lithium battery is mainly composed of two large blocks, the battery core and the protection board PCM (the power battery is generally called the battery management system BMS), the battery core is equivalent to the heart of the lithium battery, and the management system is equivalent to the brain of the lithium battery The battery core is mainly composed of a positive electrode material, a negative electrode material, an electrolyte solution, a separator and an outer casing, and the protection plate is mainly composed of protection chip, chip (or management), MOS tubes, resistors, capacitors, and PCB board, etc.

In recent years, the safety of batteries has been a topic of constant concern Although battery technology is constantly improving, safety hazards still exist.

In 12,000 New OTC Market, only less than 600 companies officially disclosed equity incentive programs Is system issue or statistically problematic? According to statistics from the hidden stock incentives, number of incentives for New OTC Market in 2015 was only 143, and it increased to 350 in 2016.

According to the data provided by Power Battery Application Branch, installed capacity of domestic power battery companies exceeded 2Gwh in March, and production capacity are growing Battery China Network ranked top 10 of installed capacity of power battery companies in March 2018 and top 10 inlist of power battery companies recommended by 1-3 batches of new energy vehicles in 2018, trying to analyze the future trends.

According to relevant research reports, the China Electric Bicycle Association released data on China's electric bicycles from 2014 to 2016: one lithium electric bicycle cannot exceed 300, accounting for less than 10%, and its share in electric bicycles is very low There are many reasons.

Electric car chargers (voltage, current, and battery types and specifications of electric cars are the same Therefore, car chargers do not repair battery packs, but use larger electric chargers.