In extreme cases, aviophobia symptoms may include an episode of regurgitation, lose of bowel control, and losing consciousness. A strong sense of shame and being a failure is often present in people suffering with this type of phobia.
Other batteries, such as AAA, AA, C, and D alkaline; atomic; and lithium-ion batteries, do not contain mercury. Mercury Use in Batteries. Table 1 presents the total amount of mercury contained in mercury batteries sold in the U.S. in years 2001, 2004, and 2007.4.
The most obvious difference between Li-ion and NiMH batteries is the material used to store power. Lithium-ion batteries are made of carbon and highly reactive lithium, which can store a lot of energy. Nickel metal hydride batteries use hydrogen to store energy, with nickel and another metal (such as titanium) keeping a lid on the hydrogen ions.