Battery Manufactory

(1). How many charging ways are there for rechargeable batteries ? Ni-Cd and Ni-MH battery charging method:    1 constant current charging: the charging current throughout the charging process for a certain value, this method is the most common;    2. Constant voltage charging: the charging voltage across the charging process to maintain a constant voltage, the current in the circuit with the battery voltage increases and gradually decreases.    3. Constant current and constant voltage charging: The battery is first charged with a constant current. When the battery voltage rises to a certain value, the voltage remains unchanged, the current in the circuit drops to a very small value, and finally tends to zero. Lithium battery charging method: Constant current and constant voltage charging: The battery is charged first with a constant current. When the battery voltage rises to a certain value, the voltage remains unchanged, the curren...

1. what is the rated capacity of the battery Refers to a certain discharge conditions, the battery discharge to cut-off voltage when the release of electricity.IEC standards for nickel-cadmium and nickel-metal hydride batteries at 20 ± 5 ℃ environment, 0.1C charge 16 hours after discharge to 1.0V at 0.2C For the lithium-ion battery , the provisions of the room temperature, constant current (1C), constant voltage (4.2V) under the control of charging conditions, charging 3h, then 0.2C discharge To 2.75V, the amount of electricity released is its rated capacity, battery capacity units Ah, mAh (1Ah = 1000mAh). 2. what is the battery discharge residual capacity When the rechargeable battery with a large current (such as 1C or above) discharge, due to the internal current diffusion rate of diffusion there is a "bottleneck effect", resulting in the battery capacity has not been fully discharged has reached the end of the voltage, and then a small current 0.2C...

A lithium-ion battery or Li-ion battery (abbreviated as LIB) is a type of rechargeable battery in which lithium ions move from the negative electrode to the positive electrode during discharge and back when charging. Li-ion batteries use an intercalated lithium compound as one electrode material, compared to the metallic lithium used in a non-rechargeable lithium battery. The electrolyte, which allows for ionic movement, and the two electrodes are the constituent components of a lithium-ion battery cell.   FAQ of Lithium Battery 1, the secondary battery performance mainly includes what aspects Mainly include voltage, internal resistance, capacity, internal pressure, self-discharge rate, cycle life, sealing performance, safety performance, storage performance, appearance and so on, other overcharge, over discharge, weldability, corrosion resistance and so on. 2, the comparison of rechargeable batteries and alkaline batteries: In most cases, nickel-metal...

10k BZ 654165 7.4V 2000mah Rechargeable Lipo Battery pack   were sent to Korea, this order began from 2014, now  is the 18th order, the production took 20 days since ordering, Benzo paid attention to the quality control during production, from material inspection to battery cell inspection and assemble tests, every steps were strictly watched by QC staffs, the final tests before shipment showed that we got 100% pass, hard works got something in return.   Product Parameters No. Item General Parameter Remark 1 Rated Capacity Typical 1610mAh Standard discharge ( 0.2C C 5 A) after Standard charge Minimum 1600mAh 2 Nominal Voltage 7.4V Mean Operation Voltage 3 Voltage at end of 6.0V Discharge Cut-off Voltage Discharge 4 Charging Voltage 8.4 ± 0.03V 5 Internal Impedance ≤ 80m Ω Internal resistance measured at AC 1KH Z after 50% charge The measure must uses the new batteries that within one week after shi...

Lithium-ion batteries have become an indispensable power source for our proliferating gadgets. They have also, on occasion, been known to catch fire. To yield insight into what goes wrong when batteries fail and how to address the safety hazard, scientists report that they have found a potential way to track lithium ions as they travel in a battery. In essence, rechargeable batteries work by shuttling ions back and forth between electrodes through an electrolyte. Often, failure occurs when lithium ions stray from their intended path. To better understand how this happens, scientists have looked for ways to track the ions. Several methods have been proposed, but so far, they have been limited for various reasons, including poor spatial resolution. Fluorescence microscopy, which is often used to probe materials and biological systems, could potentially fill this void. But first, scientists would need to find a fluorescent label that is sensitive to lithium ions. Rand...

Scientists working toward the elusive lithium-air battery discovered an unexpected approach to capturing and storing carbon dioxide away from the atmosphere. Using a design intended for a lithium-CO 2 battery, researchers in Japan and China have developed a way to isolate solid carbon dust from gaseous carbon dioxide, with the potential to also separate out oxygen gas through the same method. Their work appears August 9 in Joule , a new interdisciplinary energy journal from Cell Press. Converting carbon dioxide emissions into other carbon-containing compounds is desirable due to carbon dioxide's contribution to the greenhouse effect and global warming. Examples range from natural processes, such as plants turning CO 2 into oxygen and sugars, to human-made ones, such as injecting carbon dioxide into rock formations to be trapped as carbonate minerals. "The problem with most physical and chemical pathways for CO 2 fixation is that their products are gases ...

Researchers in China have engineered bendable batteries that can run on body-inspired liquids such as normal IV saline solution and cell-culture medium. In their work, published August 10 in the journal Chem, the authors designed alternatives to lithium-ion batteries by focusing on the mechanical-stress demands of wearable electronics such as smartwatches and the safety requirements of implantable electronics. "Current batteries like the lithium-ion ones used in medical implants generally come in rigid shapes," says co-senior author Yonggang Wang, a chemistry professor at Fudan University and the Collaborative Innovation Center of Chemistry for Energy Materials. "Additionally, most of the reported flexible batteries are based on flammable organic or corrosive electrolytes, which suffer from safety hazards and poor biocompatibility for wearable devices, let alone implantable ones." Safety measures for wearable and implantable batteries have general...

Today's lithium-ion battery was invented so long ago, there are not many more efficiencies to wring out of it. Now researchers at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) report major progress in cathodes made with so-called "disordered" materials, a promising new type of lithium battery. In a pair of papers published this month in Nature Communications and Physical Review Letters (PRL) , a team of scientists led by Gerbrand Ceder has come up with a set of rules for making new disordered materials, a process that had previously been driven by trial-and-error. They also found a way to incorporate fluorine, which makes the material both more stable and have higher capacity. "This really seems to be an interesting new direction for making high energy density cathodes," said Ceder, a Senior Faculty Scientist at Berkeley Lab who also has an appointment at UC Berkeley's Department of Materials Scien...

Availability: In stock $1.50 Buy 10000 for $1.20 each and  save  20 % Qty: OR Add to Wishlist Add to Compare Quick Overview 가격 : US $ 1.2-1.5 / 암페어 Min. 주문 : 2,000 암페어 주문 하시려면 저희에게 문의하십시오! Double click on above image to view full picture More Views Details          원산지 : 광동, 중국 (본토)          브랜드 이름 : BZ          ...