Мой дневник

29.06.2011

К вопросу о хранении энергии

March 22, 2009
http://www.gizmag.com/nanoscale-supercapacitor/11297/

Current commercial supercapacitors range from 0.5 to 30 wh/kg, while the research is in its early stages, if they reach their claim of a 100 increase that will result in 3000 wh/kg. For comparison, a conventional lead-acid battery is typically 30 to 40 wh/kg and modern lithium-ion batteries are about 160 wh/kg. In automobile applications gasoline contains around 12,000 wh/kg, which operates at 15% tank-to-wheel efficiency giving an effective energy density of 1800 wh/kg

December 7, 2010
Graphene-based supercapacitor hits new energy storage high
http://www.gizmag.com/graphene-supercapacitor-energy-density-record/17188/

Specific energy density of the new capacitor (a measure of how much electricity can be stored per weight) has been measured at 85.6 Wh/kg at room temperature and 136 Wh/kg at 80 degrees Celsius (176 F), which is comparable to Ni-mh batteries. These are the best values for electric double layer supercapacitors based on carbon nanomaterials recorded to date.

Advertisements

Leave a Comment »

No comments yet.

RSS feed for comments on this post. TrackBack URI

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

%d bloggers like this: