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- Nikkei Business Publications,Inc.
- June 2014
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Cars aren't just for driving around in; they can also supply power to the home. This new capability of the automobile, called Vehicle-to-Home (V2H), is now entering commercial use in electric vehicles. Development is also under way for use with plug-in hybrids and fuel-cell vehicles. This new dimension of utility, swapping energy with the home, is something the conventional gasoline engine vehicle simply cannot do, but it could mean significant new value for vehicles. The promise is reducing home electricity bills, and serving as emergency power in times of need.
This report examines the V2H initiatives of three major Japanese automobile manufacturers: Nissan, Honda, and Toyota. Nissan already offers commercial V2H service based on its Leaf electric vehicle, while Honda and Toyota are in demonstration trials. Development is well under way for electric vehicles and plug-in hybrids, but sales are minimal for all types except hybrid electrics. It will take time for the fuel-cell vehicles marketed in 2015 by Toyota and Honda to penetrate the market, and likewise to construct a hydrogen fuel infrastructure. Practical V2H system rollout from manufacturers will boost the real value of electric vehicles, and provide impetus for widespread adoption.
Table of contents
Nissan goes for low cost
Honda leverages FCV energy supply performance
Toyota Works in Combination with Home Storage Batteries
Charger manufacturers drawing up guidelines
V2B approaching commercial use
Fig. 1 Fundamental V2H technology
Table 1 V2H systems of three Japanese automakers
Fig. 2 Nissan's V2H system
Fig. 3 Switching home supply between vehicle and grid
Fig. 4 V2H system being trialed by Honda
Fig. 5 Honda's power conditioning system (PCS)
Fig. 6 Toyota's V2H system, now being trialed
Fig. A V2B system undergoing trials at Nissan facility
Fig. B V2B central management system