Lithium-ion batteries provide higher charging efficiency and no memory effect, giving them an advantage over nickel-hydrogen batteries. With such excellent characteristics, the lithium-ion batteries are considered to be the most likely power source for HEVs FCEVs and so on. We developed lithium-ion batteries featuring long service life, high output, high energy density, and high reliability, for HEV applications. its expected to be adopted as the battery for environmentally safe cars by its distinct features for better charging efficiency than the Nickel metal hydride battery and memory-effect-free performance. In actual application for vehicles,many cells need to be combined as a module to form a battery pack with additional control circuit to monitor voltage or temperature for safety use. Moreover reliability under severe conditions and high safety level in case of crash or accident is required. AACC R&D is developing battery of "long operating life", "high power", "high energy density", "high durability", "safety", and "low cost" for automotive applications. These batteries are expected to be widely used in hybrid electric small-sized trucks, buses and hybrid railway motorcars.
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Application Lithium-Ion Batteries are quickly becoming an efficient energy choice used to power the vehicles of tomorrow. Hitachi is helping to deliver a clean and comfortable global experience by supplying Lithium-Ion Batteries for use in hybrid electric vehicles. FHEV : Full Hybrid Electric Vehicles PHEV : Plug-in Hybrid Electric Vehicles EV : Electric Vehicles Benefits Achievement of Lithium-ion battery with both high power assistance and high energy efficiency Contribution to high fuel efficiency, reduction of CO2 emission and improvement of acceleration performance for Hybrid Electric Vehicles (HEV) Enhancement of Electric Vehicles (EV)-mode driving range and realization of high power assistance in Hybrid Electric Vehicles (HEV)-mode Features High input and high output power, good life performance and high level of safety Proposal of the best battery module design and the total battery management system Achievement of high capacity of 4-5 times higher than our current lithium-ion battery for Plug-in Hybrid Electric Vehicles (PHEV) by the improvement of electrode active materials Application of a heat-resistance separator to prevent internal short-circuit and drastically improve safety Realized the downsizing and advancement of reliability by introducing the newly developed ASIC in the cell controller
Standard battery packs A standard battery pack is the key component for any portable device, since it effects the run-time and performance dramatically. We offer standardized battery packs in different housing shapes, with worldwide approvals, a variety of redundant safety features as well as a communication interface for your application. Thus, our standard smart batteries are suitable as a power source for all kinds of portable and mobile device in demanding markets, like medical, military, instrumentation, robotic and drones. No development costs but worldwide approvals Our standard batteries are available off-the-shelf, without any development costs. This leads to reduced development efforts for mobile applications and enables much faster time-to-market. Our standard battery packs fulfill all the market-relevant safety standards as well as the worldwide national approvals. These aspects combined with the off-the-shelf availability reduce the overall development costs and allow your new device to reach profitability much earlier. We utilize lithium ion cells with the highest energy density, maximized discharge current and the utmost safety levels. Various shapes and performances Different chemical compositions and varying configurations of battery cells result in differing housing shapes and performance data for our standard batteries. The product line AACC is based on cylindrical cells in form factor 18650 or 21700. It is designed to meet highest requirements in capacity and current delivery. The AACC line is equipped with an extensive safety system and smart Battery Management System (BMS). We have battery packs from single cell up to twelve cell configurations. All variations adhere to the 100Wh limitation so shipments do not need dangerous goods declaration. Applications with higher energy needs or the need of more discharge current may use different AACC batteries in parallel. Batteries for very flat and compact applications Battery packs with prismatic cells are currently used in consumer market products (smartphones, tablets, etc.). AACC has developed the FLAT portfolio, a new family of standard batteries with different combinations of prismatic cells. These battery packs are equipped with a multi-level safety circuitry and a smart Battery Management System (BMS). The extremely flat standard battery, approximately 8 mm thick, is ideal for any application that aims for a slim design. It is conceivable, to incorporate it behind a display or the PC board, which enables a tablet-like device design for medical or industrial applications. AACC is setting standards for portable power solutions Our experience in design of power solutions, our high quality and reliability, as well as our knowledge of requirements in critical markets are incorporated into each of our products. Each customer will benefit from this. We continuously challenge ourselves to set even higher standards not only regarding the housing’s design, but also in terms of quality and performance by striving to exceed our competition’s products. Your benefits at a glance: Worldwide approvals and certification of safety standards No development costs, fast time-to-market Smart batteries with numerous features according to the SMBus specification Integrated LED State of Charge (SoC) indicator State-of-the-art lithium-ion cells with the market’s highest energy density High discharge performance JEITA charging profile optimization Numerous and redundant safety features, e.g.: CUV (Cell Under Voltage): protection against deep discharge COV (Cell Over Voltage): protection against over charge OTC (Over Temperature in Charge): Protection against overheating while charging OTD (Over Temperature in Discharge): Protection against overheating during discharging Increased ESD protection up to 8kV SHA-1 cryptosystem to prevent plagiarism
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Lithium ion batteries will be the fastest growing energy storage technology, with annual growth expected to reach more than 28 GW by 2028. The technology is expected to account for 85% of newly installed energy storage capacity, according to analysis by Navigant Research. We use the world’s most advanced Lithium iron phosphate battery technologies to meet your need for high cycle rates with a low levelized cost of storage. Our container-based units are safe, scalable and easy to install and maintain. To meet your requirement for bankable and reliable energy storage, we work with leading technology partners and tried-and-tested technologies that have been used across hundreds of megawatts of installations in the field.
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