The lithium–titanate battery is a type of rechargeable battery, which has the advantage of being faster to charge than other lithium-ion batteries. Titanate batteries are used in certain Japanese-only versions of Mitsubishi's i-MiEV electric vehicle and Honda uses them in its EV-neo electric bike and Fit EV. Opportunity charging in public transportation, such as large capacity electric bus project TOSA, is using the Titanate batteries high charging capability to partly recharge the battery in 15 seconds while passengers are disembarking and embarking at bus stops.
A lithium–titanate battery is a modified lithium-ion battery that uses lithium-titanate nanocrystals on the surface of its anode instead of carbon. This gives the anode a surface area of about 100 square meters per gram, compared with 3 square meters per gram for carbon, allowing electrons to enter and leave the anode quickly. This makes fast recharging possible and provides high currents when needed. Lithium Titanate cells also withstand 3000-7000 cycles, far higher than other chemistries.
A disadvantage of lithium-titanate batteries is that they have a lower inherent voltage (2.4 V), which leads to a lower specific energy of about 30–110 Wh/kg than conventional lithium-ion battery technologies (which have an inherent voltage of 3.7 V).
Brands and uses
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HRIMAN Motors - India
Hriman Motors - an Electric Vehicle startup operating from New Delhi - India -is using LTO battery for its cars and EV's. Hriman Motors is the first manufacturer in the region to offer LTO Batteries in EV's. They have configured the battery pack to suit the temperature and humidity requirements for the Indian Sub continent.
Their LTO batteries branded as "RT Electric" would last for 30 to 40 years as compared to 2- 4 years for regular Lithium batteries used in other electric cars.
Altairnano produce lithium–titanate batteries under the "Nanosafe" line, mainly for battery electric vehicles. Some vehicle manufacturers which announced plans to use Altairnano batteries includes Lightning Car Company, which plan to use them for Lightning GT, an all-electric sports car, Phoenix Motorcars, in its electric sport-utility vehicles, and Proterra, in its all-electric EcoRide BE35 vehicle, a lightweight 35-foot bus.
Leclanché is a Swiss battery manufacturer, founded in 1909. In 2006 acquisition of Bullith AG (Germany) to establish a Li-Ion manufacturing line in Germany. In 2014 the "TiBox" was launched in the market. The power content of the "TiBox" is 3.2kWh with 20'000 cycles.
SCiB batteries are used in the Schwinn Tailwind electric bike. Toshiba has also demonstrated its use as a prototype laptop battery. Toshiba SCiB batteries are also used in a Japan-only version of Mitsubishi's i-MiEV and Minicab MiEV electric vehicles, and Honda uses them in its EV-neo electric bike and Fit EV model which launched in the summer of 2012.
Seiko uses lithium titanate batteries in its recent Kinetic (automatic quartz) wristwatches. Earlier Kinetic watches used a capacitor to store energy but the battery gives larger capacity and longer service life. It can be replaced easily by a technician when its capacity eventually deteriorates to an unacceptable level.
YABO Power Technology released lithium titanate battery in 2012. The standard model YB-LITE2344 2.4V/15Ah battery cell has been used in electric vehicle and energy storage systems.
- List of battery types
- List of battery sizes
- Comparison of battery types
- Battery (electricity)
- Electrochemical cell
- Energy storage
- Fuel cell
- Lithium iron phosphate battery
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