Recently, Cummins announced the financial report for the fourth quarter of 2011 and the full year of 2011. For the full year of 2011, Cummins's sales were US$18 billion, a year-on-year increase of 36%; net profits were US$1.85 billion, and diluted earnings per share were US$9.55.
Among them, Cummins's sales in the fourth quarter of 2011 were US$4.9 billion, which was a year-on-year increase of 19%. The increase in sales was mainly driven by the increase in demand in the North American market. The company's net profit was 548 million U.S. dollars, diluted earnings per share was 2.86 U.S. dollars, and EBIT was 768 million U.S. dollars.
It is reported that in 2010, Cummins’ net profit was US$1.04 billion, and its diluted profit per share was US$5.28.
The aluminum air battery application can widely use in the field like civil, industrial and military, mainly use for emergency energy for house/ hotel / hospital/ fire control/ public area emergency light, power bank for phone and computer, barn lantern, standby power of building, communication base station, emergency rescue,refuge park, mine, camping, field training, field power supply, charging, maintenance, lighting requirements. The aluminum-air battery uses high-purity aluminum (containing 99.99% aluminum) as the negative electrode, oxygen as the positive electrode, and potassium hydroxide (KOH) or sodium hydroxide (NaOH) aqueous solution as the electrolyte . Aluminum ingests oxygen in the air and produces a chemical reaction when the battery is discharged. Aluminum and oxygen are converted into aluminum oxide.
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