Holder, analysis apparatus including the same, and battery analysis method
A holder holds a battery which is subjected to X-ray analysis. The battery includes a positive electrode and a negative electrode. A sample chamber for disposing the battery therein is formed inside the holder. The holder includes a body, a beryllium plate, a first resin member, a conductive member, a positive electrode terminal, and a negative electrode terminal. An upper surface of the body is formed with a window. The beryllium plate is arranged in the window. The first resin member is provided on a surface of the beryllium plate. The conductive member is provided between the positive electrode and the first resin member so as to be in contact with the positive electrode of the battery. The positive electrode terminal is electrically connected to the conductive member. The negative electrode terminal is electrically connected to the negative electrode.
1 . A holder that holds a battery which is subjected to X-ray analysis, the battery including a positive electrode and a negative electrode, the holder comprising:
a body with a sample chamber for disposing the battery therein, and the body including an upper surface with a window;
a beryllium plate disposed in the window;
a first resin member provided on a surface of the beryllium plate;
a conductive member provided between the positive electrode and the first resin member so as to be in contact with the positive electrode of the battery;
a positive electrode terminal electrically connected to the conductive member; and
a negative electrode terminal electrically connected to the negative electrode.
2 . The holder according to claim 1 , wherein
the first resin member includes polyimide resin.
3 . The holder according to claim 1 , wherein
the first resin member includes fluororesin.
4 . The holder according to claim 1 , wherein
a total thickness of the first resin member in a direction perpendicular to the beryllium plate is 100 μm or less.
5 . The holder according to claim 1 , wherein
the conductive member includes aluminum.
6 . The holder according to claim 1 , wherein
the conductive member has a thickness of 0.1 μm or more and 10 μm or less.
7 . The holder according to claim 1 , wherein
the conductive member is vapor-deposited on the first resin member.
8 . The holder according to claim 1 , wherein
the conductive member is formed into a film, and is disposed between the positive electrode and the first resin member.
9 . The holder according to claim 1 , wherein
an opening is formed in the conductive member at a position overlapping the window.
10 . The holder according to claim 9 , wherein
the holder further includes a second resin member, and
the second resin member is disposed inside the opening.
11 . An analysis apparatus for analyzing a battery, the analysis apparatus comprising:
a holder that holds the battery;
a spectrometer that disperses characteristic X-rays generated by irradiating the battery which is held by the holder with an excitation beam, and detects the intensity of each wavelength; and
a signal processing device that processes a signal output from the spectrometer, wherein
the battery includes a positive electrode and a negative electrode,
the holder includes:
a body with a sample chamber for disposing the battery therein and with a window in an incident direction of the excitation beam;
a beryllium plate disposed in the window;
a resin member provided on a surface of the beryllium plate;
a conductive member provided between the positive electrode and the resin member so as to be in contact with the positive electrode of the battery;
a positive electrode terminal electrically connected to the conductive member; and
a negative electrode terminal electrically connected to the negative electrode.
12 . An analysis method for analyzing a battery, the analysis method comprising:
irradiating the battery held in a holder with an excitation beam;
dispersing characteristic X-rays generated from the battery and detecting the intensity of each wavelength; and
processing a signal indicating the intensity of each wavelength of the characteristic X-rays, wherein
the battery includes a positive electrode and a negative electrode,
the holder includes:
a body with a sample chamber for disposing the battery therein and with a window in an incident direction of the excitation beam;
a beryllium plate disposed in the window;
a resin member provided on a surface of the beryllium plate;
a conductive member provided between the positive electrode and the resin member so as to be in contact with the positive electrode of the battery;
a positive electrode terminal electrically connected to the conductive member; and
a negative electrode terminal electrically connected to the negative electrode.