TOB New Energy

A good combination can not only improve cell utilization, but also control monomer consistency, which is the basis of achieving good discharge capacity and cycle stability. However, the dispersion degree of ac impedance of single battery capacity will be intensified, which will weaken the cycling performance and available capacity of battery. But how do you achieve good grouping of battery? Quanti...

Lithium ion battery is a kind of energy storage device, currently the commonly used lithium ion battery according to the cathode material can be divided into iron phosphate lithium battery, ternary battery and manganese acid lithium battery. Take the lithium iron phosphate battery as an example: when discharging, the iron phosphate in the positive electrode and the lithium ion transferred from the...

Pouch lithium cell refers to the aluminum laminated film for the outer case packing of the battery. Compared with square aluminum shell battery and cylindrical battery, pouch lithium battery in the occurrence of safety hazards in the first gas expansion, or r release energy from the damage. This makes it not easy to explode and thus more secure. At the same time, a pouch lithium battery of the sam...

The process of 18650 lithium battery pack is mainly based on the structure of pack battery, and most of the 18650 lithium battery pack process features are similar. The distinctive features of the 18650 lithium battery PACK process are multiple parallel and multiple series. The greatest feature of the 18650 lithium battery Pack is its flexible combination, most of which can be semi-automated. TOB ...

The inconsistency of energy storage batteries mainly refers to the inconsistency of parameters such as battery capacity, internal resistance, and temperature. Our daily experience is that when two dry batteries are connected in positive and negative directions, the flashlight will light up, and we don’t consider consistency. However, once batteries are used on a large scale in energy storage syste...

Before designing a battery production line, we need to comprehensively consider multiple aspects including product, capacity, process, equipment, regulations, supply chain, cost, safety, environmental protection, quality control, plant layout, automation, data management, maintenance, human resources, project management and market, etc. We ensure that all factors that may affect the production lin...

In lithium battery manufacturing, the often-overlooked A/B-side coating misalignment issue during the coating process significantly affects battery capacity, safety, and cycle life. Misalignment refers to inconsistencies in the positional alignment or thickness distribution of coatings on the front and back sides of electrodes, which can lead to risks such as localized lithium plating and mechanic...

Self-discharge in lithium-ion batteries refers to the phenomenon where the battery's charge/voltage naturally decreases when disconnected from an external circuit (i.e., in an open-circuit state). This is an inherent characteristic of all batteries, though the degree varies. Lithium-ion batteries exhibit a relatively low self-discharge rate but are still affected. The primary causes can be categor...