The article from this link is released in public as an informative article dated June 15th 2003 about the imaging lithium with an electron microscope or the One Angstrom Microscope. It has been stated here that the Department of Energy’s National Center for Electron Microscopy (NCEM) at Lawrence Berkeley National Laboratory has used a transmission electron microscope for the first time by their researchers to image lithium atoms. It has been emphasized from this article under this link that One Angstrom Microscope (OAM) captures lithium ions and is considered the very first for electron microscopy. In this article, the first experimental image of lithium atoms from a transmission electron microscope was shown. The certain image is described to show the arrangement of lithium ions among cobalt and oxygen atoms in the compound lithium cobalt oxide. Hydrogen and helium atoms are stated to be only smaller and lighter than those of lithium, which under ordinary conditions is a soft, white metal and definitely not a gas. The article in this link had given names from the Department of Mechanical Engineering at the Massachusetts Institute of Technology’s Yang Shao-Horn along with Michael O’Keefe of Berkeley Lab’s Materials Sciences Division who used the One Angstrom Microscope to resolve columns of lithium, cobalt, and oxygen atoms in the compound lithium cobalt oxide or the LiCoO2. They reported this finding in the 2003-July issue of the journal Nature Materials, the link in this article feature from the said journal is also provided by this link for the easy-access for those who are interested. From the lithium rechargeable batteries, the lithium cobalt oxide or LiCoO2 is pointed out to be the most commonly used in its positive electrodes. Its operation is based on reversible insertion and removal of lithium ions to and from their positive and negative electrodes. According from this article, it is commonly and widely used in many modern devices such as the laptop, digital cameras and etc., for it stores more energy for their weight as well as to operate at a higher voltage, and hold a charge much longer than any other rechargeable batteries. This will be a brief understanding on how the atoms in the electrode materials, as well as the vacancies left by moving ions are arranged in three dimensional or 3-D on the atomic scale. These are required for better improvement of their performance, as what the article stated. LiCoO2 and its structure are theoretically known and also have been confirmed with different techniques like x-ray diffraction and neutron powder diffraction: layers of lithium atoms lie in between of cobalt and oxygen slabs that are arranged in octahedrons. But these techniques have not seen lithium ions, nor have they been seen in previous attempts to image the lithium cobalt oxide or LiCoO2 with electron microscopy. The last part from this topic shared from this link is when microscopist O’Keefe was asked if it would be possible to image lithium ions in the material with a high-resolution transmission electron microscope. Read more on this subject