China’s PV Cell Exports Surge — Orders from local companies are saturated, and foreign giants are replaced by Chinese teams Abstract The article is translated from the ” yicai.com -China Business Network “. As a senior player on the photovoltaic new energy product track, this year MUST has ushered in the biggest outbreak of orders in recent
On October 12, the China Automotive Power Battery Industry Innovation Alliance released data on the production and sales of new energy vehicle batteries and the number of vehicles installed in September 2021. In September, CATL, BYD, and Guoxuan Hi-Tech ranked firmly in the top three. AVIC Lithium Potential ranked fourth, Tafel New Energy and Xinwanda ranked
Lithium Ion Battery Conductive Agents Brief introduction Conductive Agents As an important part of the lithium ion battery, the conductive agents, although occupy a small amount in the battery, they greatly affect the performance of the lithium ion battery. Besides, it plays a very important role on improving battery cycle performance, capacity development, rate performance, etc. Like lithium ion battery
“The BYD blade battery has pulled the LiFePO4 back from marginalization with its own efforts.” A few days ago, at the 2021 China Automotive Chongqing Forum, Wang Chuanfu expressed the above views in his speech. Behind the words, although it does not rule out its intention to build momentum for its own products, the current battery
18650 Lithium Li-On Rechargeable Battery For Vietnam Market Our product includes a wide range of 18650 rechargeable battery. With a sale volumn of more than 6 million per month, we have a big stock with high Turnover. We export to the Vietnam market and have a very good reputation among our client. The information on our
Lithium Battery Shipping Began to Mandate the Use of Refrigerated Cabinets Recently, due to the repeated occurrence of various dangerous accidents during the transportation of lithium batteries, Shandong Haifeng International Shipping Company SITC notified that from now on, goods like Class 9/UN 3480, UN3481 lithium battery packs and equipment containing lithium batteries must be shipped in refrigerated
Handling Precaution and Prohibitions of Lithium Rechargeable Cells and Batteries Inaccurate handling of rechargeable lithium ion batteries may cause leakage, heat, smoke, and explosion, or fire. This could cause deterioration of performance or failure. Please be sure to follow the instructions carefully. 1. Safety precaution and prohibitions To assure product safety, describe the following precautions in the instruction manual
Pack Design Guideline for Lithium Battery If a customer’s battery pack cannot meet Pack Design Guideline, we cannot take responsibility for a quality issue about a battery cell. 1. Electrical design 1.1 Charge 1.1.1 Stop charging the battery if charging isn’t completed within the specified time. 1.1.2 The battery can be used within the following
Proper Use and Handling of Lithium Ion Battery This post has been prepared to describe the appropriate cautions and prohibitions, which the customer should take or employ when the customer uses and handles the lithium ion battery to be manufactured and supplied by Onex Limited, in order to obtain optimum performance and safety. 1. Charging 1.1 Charging current
The Advantages and Possible Risks of Using Lithium-ion Batteries for Solar Street Lights The wide application of solar street lights has greatly reduced the installation cost. And the advantages of high efficiency and energy saving have made it widely promoted and applied. On the other hand, the energy storage battery of solar street lights is
18650 Lithium Li-On Rechargeable Battery For Indian Market Our product includes a wide range of 18650 rechargeable battery. With a sale volumn of more than 6 million per month, we have a big stock with high Turnover. We export to the India market and have a very good reputation among our client. The information on our batteries may be printed
Shenzhen Battery : News From Shenzhen Battery Association Operation of the Battery Industry From January to April 2020 Production From January to April 2020, among the main products of the China battery manufacturing industry, the output of lithium-ion batteries was 4.15 billion, a year-on-year decrease of 5.4%. The output of lead-acid batteries was 60.753 million kVA,
Shenzhen Battery : News From Shenzhen Battery Association —Operation of the Battery Industry From January to December 2019 Production From January to December 2019, among the main products of the China battery manufacturing industry, the output of lithium-ion batteries was 15.72 billion, a year-on-year increase of 4.0%. The output of lead-acid batteries was 202.486 million kVAh,
Shenzhen Battery : News From Shenzhen Battery Association — List of Battery Enterprises Complying the “Lithium-ion Battery Industry Standards and Conditions” According to the “Lithium-ion Battery Industry Standards and Conditions” and the “Interim Measures for the Administration of Regulatory Announcements in the Lithium-ion Battery Industry”, after voluntary declaration by enterprises, verification and recommendation by provincial
External Short Circuit and Its Effect on Battery Performance Connecting the outer two ends of the battery to any conductor will cause an external short circuit. For different battery types, the short circuit may bring about different serious consequences. For example, electrolyte temperature rises, internal air pressure rises, etc. If the air pressure exceeds the withstand
Can Batteries of Different Capacities Be Used in Combination? If you mix old and new batteries or batteries of different capacities, liquid leakage and zero voltage may occur. This is due to the difference in capacity during the charging process. And it causes some batteries to be overcharged. Some batteries are not fully charged. The high battery is
What Is the Rate Discharge and the Hourly Rate Discharge of Battery? Rate discharge refers to the rate relationship between discharge current (A) and rated capacity (A•h) during discharge. Hourly rate discharge refers to the number of hours required to discharge the rated capacity at a certain output current.
Notes for the Use of Battery 01) Read the battery manual carefully before use. 02) The electrical and battery contacts should be clean. Then, wipe with a damp cloth if necessary, and install according to the polarity mark after drying. 03) Do not mix old and new batteries. And different types of batteries of the
Vibration Experiment for Lithium Battery The vibration test method for lithium battery : After the battery is discharged to 3.0V at 0.2C, it is charged to 4.2V with constant current and constant voltage at 1C, and cut-off current of 10mA. After being left for 24 hours, it will vibrate under the following conditions: The vibration experiment is carried
Temperature Cycling Experiment for Battery The temperature cycle experiment contains 27 cycles. And each cycle consists of the following steps: 01) The battery is changed from normal temperature to 66±3℃, placed for 1 hour under the condition of 15±5%. 02) Switch to a temperature of 33±3°C and a humidity of 90±5°C for 1 hour. 03)
What Is a Temperature Rise Experiment for Battery? After the battery is fully charged, put it into the oven and start to heat up from room temperature at a rate of 5°C/min. When the oven temperature reaches 130°C, keep it for 30 minutes. The quality battery should not explode or catch fire.
Standard Charge Retention Test for Lithium Batteries The national standard stipulates that the standard charge retention test for lithium batteries : (IEC has no relevant standards) the battery is placed at 0.2C to 3.0/piece. And then charged to 4.2V at a constant current and voltage of 1C, with a cut-off current of 10mA. After storing for 28
What Is the Internal Pressure of Battery? It’s the internal air pressure of the battery. And that is caused by the gas generated during the charging and discharging of the sealed battery. The main influence factors are battery materials, manufacturing processes, and battery structure. The main reason for this is that the gas generated by the decomposition of
What Are the Differences Between the Internal Resistance of Charged State and That of Discharged State? The internal resistance of the charged state is the internal resistance when the battery is 100% fully charged. While, the internal resistance in the discharged state is the internal resistance after the battery is fully discharged. Generally speaking, the internal resistance in
What Is a 24-hour Self-Discharge Test? The 24-hour self-discharge can quickly test its charge retention capacity. Discharge the battery at 0.2C to 3.0V, charge at constant current and constant voltage to 4.2V with 10mA cut-off current. Then, leave it for 15 minutes. And discharge the battery at 1C to 3.0V to measure its discharge capacity C1. Then charge the battery with
What Is the Self-discharge of Secondary Battery? Self-discharge is also called charge retention capability. It’s the retention capability of battery for the stored power under certain environmental conditions in an open circuit state. Generally speaking, manufacturing processes, materials, and storage conditions are the main influence factors for self-discharge. Self-discharge is one of the main parameters to measure battery
What is Charge and Discharge Efficiency of Battery? Discharge efficiency refers to the ratio of the actual electricity discharged to the terminal voltage and the rated capacity under a certain discharge condition. It is mainly affected by factors like the discharge rate, ambient temperature, and internal resistance. Generally, the higher the discharge rate, the lower
What Is the Output Power of Battery? The output power of a battery refers to the ability to output energy per unit time. It is calculated based on the discharge current I and the discharge voltage, P=U*I, the unit is watts. The smaller the internal resistance of the battery, the higher the output power. The
What Is Pulse Charging and Its Impact on Battery Performance? Pulse charging generally uses the method of charging and discharging, that is, charging for 5 seconds and then releasing for 1 second. So most of the oxygen generated during the charging process will be reduced to electrolyte under the discharge pulse. And that limits the amount of internal
Contact Us